Home / 71,137,505.61-98,073,214.74-49,915,451.14

Finding the Fourth Proportional to 71,137,505.61, 98,073,214.74 and 49,915,451.14

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Solution

The fourth proportional to 71,137,505.61, 98,073,214.74 and 49,915,451.14 is: 68,815,580.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,137,505.61 : 98,073,214.74 = 49,915,451.14 : x
  2. Step 2: Convert to fraction form
    71,137,505.61/98,073,214.74 = 49,915,451.14/x
  3. Step 3: Cross multiply
    71,137,505.61x = 98,073,214.74 × 49,915,451.14
  4. Step 4: Simplify right side
    71,137,505.61x = 4,895,368,758,497,198
  5. Step 5: Solve for x
    x = 4,895,368,758,497,198/71,137,505.61
  6. Step 6: Final answer
    x = 68,815,580.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.