Home / 85,475,493,047.70-128,213,239,571.55-41,395,650,743.70

Finding the Fourth Proportional to 85,475,493,047.70, 128,213,239,571.55 and 41,395,650,743.70

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Solution

The fourth proportional to 85,475,493,047.70, 128,213,239,571.55 and 41,395,650,743.70 is: 62,093,476,115.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,475,493,047.70 : 128,213,239,571.55 = 41,395,650,743.70 : x
  2. Step 2: Convert to fraction form
    85,475,493,047.70/128,213,239,571.55 = 41,395,650,743.70/x
  3. Step 3: Cross multiply
    85,475,493,047.70x = 128,213,239,571.55 × 41,395,650,743.70
  4. Step 4: Simplify right side
    85,475,493,047.70x = 5,307,470,486,022,219,890,688
  5. Step 5: Solve for x
    x = 5,307,470,486,022,219,890,688/85,475,493,047.70
  6. Step 6: Final answer
    x = 62,093,476,115.55

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Double scale
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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.