Home / 82,680,411.97-123,937,248.03-51,996,919.60

Finding the Fourth Proportional to 82,680,411.97, 123,937,248.03 and 51,996,919.60

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Solution

The fourth proportional to 82,680,411.97, 123,937,248.03 and 51,996,919.60 is: 77,942,948.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,680,411.97 : 123,937,248.03 = 51,996,919.60 : x
  2. Step 2: Convert to fraction form
    82,680,411.97/123,937,248.03 = 51,996,919.60/x
  3. Step 3: Cross multiply
    82,680,411.97x = 123,937,248.03 × 51,996,919.60
  4. Step 4: Simplify right side
    82,680,411.97x = 6,444,355,121,261,169
  5. Step 5: Solve for x
    x = 6,444,355,121,261,169/82,680,411.97
  6. Step 6: Final answer
    x = 77,942,948.85

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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.