Home / 85,475,493,048.70-128,213,239,573.05-41,395,650,744.70

Finding the Fourth Proportional to 85,475,493,048.70, 128,213,239,573.05 and 41,395,650,744.70

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Solution

The fourth proportional to 85,475,493,048.70, 128,213,239,573.05 and 41,395,650,744.70 is: 62,093,476,117.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,475,493,048.70 : 128,213,239,573.05 = 41,395,650,744.70 : x
  2. Step 2: Convert to fraction form
    85,475,493,048.70/128,213,239,573.05 = 41,395,650,744.70/x
  3. Step 3: Cross multiply
    85,475,493,048.70x = 128,213,239,573.05 × 41,395,650,744.70
  4. Step 4: Simplify right side
    85,475,493,048.70x = 5,307,470,486,212,526,997,504
  5. Step 5: Solve for x
    x = 5,307,470,486,212,526,997,504/85,475,493,048.70
  6. Step 6: Final answer
    x = 62,093,476,117.05

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Double scale
Find fourth proportional to 85,475,493,049.70, 128,213,239,574.55 and 41,395,650,745.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.