Home / 82,680,337.47-123,937,135.88-51,996,845.46

Finding the Fourth Proportional to 82,680,337.47, 123,937,135.88 and 51,996,845.46

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Solution

The fourth proportional to 82,680,337.47, 123,937,135.88 and 51,996,845.46 is: 77,942,837.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,680,337.47 : 123,937,135.88 = 51,996,845.46 : x
  2. Step 2: Convert to fraction form
    82,680,337.47/123,937,135.88 = 51,996,845.46/x
  3. Step 3: Cross multiply
    82,680,337.47x = 123,937,135.88 × 51,996,845.46
  4. Step 4: Simplify right side
    82,680,337.47x = 6,444,340,100,847,397
  5. Step 5: Solve for x
    x = 6,444,340,100,847,397/82,680,337.47
  6. Step 6: Final answer
    x = 77,942,837.42

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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.