Home / 82,680,305.76-123,937,088.28-51,996,813.68

Finding the Fourth Proportional to 82,680,305.76, 123,937,088.28 and 51,996,813.68

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Solution

The fourth proportional to 82,680,305.76, 123,937,088.28 and 51,996,813.68 is: 77,942,789.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,680,305.76 : 123,937,088.28 = 51,996,813.68 : x
  2. Step 2: Convert to fraction form
    82,680,305.76/123,937,088.28 = 51,996,813.68/x
  3. Step 3: Cross multiply
    82,680,305.76x = 123,937,088.28 × 51,996,813.68
  4. Step 4: Simplify right side
    82,680,305.76x = 6,444,333,687,336,872
  5. Step 5: Solve for x
    x = 6,444,333,687,336,872/82,680,305.76
  6. Step 6: Final answer
    x = 77,942,789.74

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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.