Home / 85,475,493,047.20-128,213,239,570.80-41,395,650,743.20

Finding the Fourth Proportional to 85,475,493,047.20, 128,213,239,570.80 and 41,395,650,743.20

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Solution

The fourth proportional to 85,475,493,047.20, 128,213,239,570.80 and 41,395,650,743.20 is: 62,093,476,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,475,493,047.20 : 128,213,239,570.80 = 41,395,650,743.20 : x
  2. Step 2: Convert to fraction form
    85,475,493,047.20/128,213,239,570.80 = 41,395,650,743.20/x
  3. Step 3: Cross multiply
    85,475,493,047.20x = 128,213,239,570.80 × 41,395,650,743.20
  4. Step 4: Simplify right side
    85,475,493,047.20x = 5,307,470,485,927,066,861,568
  5. Step 5: Solve for x
    x = 5,307,470,485,927,066,861,568/85,475,493,047.20
  6. Step 6: Final answer
    x = 62,093,476,114.80

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Double scale
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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.