Home / 78,785,930.56-118,194,839.76-27,671,935.24

Finding the Fourth Proportional to 78,785,930.56, 118,194,839.76 and 27,671,935.24

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Solution

The fourth proportional to 78,785,930.56, 118,194,839.76 and 27,671,935.24 is: 41,513,502.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,785,930.56 : 118,194,839.76 = 27,671,935.24 : x
  2. Step 2: Convert to fraction form
    78,785,930.56/118,194,839.76 = 27,671,935.24/x
  3. Step 3: Cross multiply
    78,785,930.56x = 118,194,839.76 × 27,671,935.24
  4. Step 4: Simplify right side
    78,785,930.56x = 3,270,679,951,540,897
  5. Step 5: Solve for x
    x = 3,270,679,951,540,897/78,785,930.56
  6. Step 6: Final answer
    x = 41,513,502.83

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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.