Home / 81,607,010.30-122,410,515.45-27,754,322.30

Finding the Fourth Proportional to 81,607,010.30, 122,410,515.45 and 27,754,322.30

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Solution

The fourth proportional to 81,607,010.30, 122,410,515.45 and 27,754,322.30 is: 41,631,483.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,607,010.30 : 122,410,515.45 = 27,754,322.30 : x
  2. Step 2: Convert to fraction form
    81,607,010.30/122,410,515.45 = 27,754,322.30/x
  3. Step 3: Cross multiply
    81,607,010.30x = 122,410,515.45 × 27,754,322.30
  4. Step 4: Simplify right side
    81,607,010.30x = 3,397,420,898,708,429.50
  5. Step 5: Solve for x
    x = 3,397,420,898,708,429.50/81,607,010.30
  6. Step 6: Final answer
    x = 41,631,483.45

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Double scale
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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.