Home / 71,883,769.73-107,715,934.42-42,680,100.74

Finding the Fourth Proportional to 71,883,769.73, 107,715,934.42 and 42,680,100.74

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Solution

The fourth proportional to 71,883,769.73, 107,715,934.42 and 42,680,100.74 is: 63,955,006.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,883,769.73 : 107,715,934.42 = 42,680,100.74 : x
  2. Step 2: Convert to fraction form
    71,883,769.73/107,715,934.42 = 42,680,100.74/x
  3. Step 3: Cross multiply
    71,883,769.73x = 107,715,934.42 × 42,680,100.74
  4. Step 4: Simplify right side
    71,883,769.73x = 4,597,326,931,703,554
  5. Step 5: Solve for x
    x = 4,597,326,931,703,554/71,883,769.73
  6. Step 6: Final answer
    x = 63,955,006.11

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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.