Home / 71,883,766.60-107,715,929.82-42,680,097.70

Finding the Fourth Proportional to 71,883,766.60, 107,715,929.82 and 42,680,097.70

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Solution

The fourth proportional to 71,883,766.60, 107,715,929.82 and 42,680,097.70 is: 63,955,001.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,883,766.60 : 107,715,929.82 = 42,680,097.70 : x
  2. Step 2: Convert to fraction form
    71,883,766.60/107,715,929.82 = 42,680,097.70/x
  3. Step 3: Cross multiply
    71,883,766.60x = 107,715,929.82 × 42,680,097.70
  4. Step 4: Simplify right side
    71,883,766.60x = 4,597,326,408,563,943
  5. Step 5: Solve for x
    x = 4,597,326,408,563,943/71,883,766.60
  6. Step 6: Final answer
    x = 63,955,001.61

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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.