Home / 89,890,007.69-134,838,935.82-28,483,691.73

Finding the Fourth Proportional to 89,890,007.69, 134,838,935.82 and 28,483,691.73

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Solution

The fourth proportional to 89,890,007.69, 134,838,935.82 and 28,483,691.73 is: 42,726,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,890,007.69 : 134,838,935.82 = 28,483,691.73 : x
  2. Step 2: Convert to fraction form
    89,890,007.69/134,838,935.82 = 28,483,691.73/x
  3. Step 3: Cross multiply
    89,890,007.69x = 134,838,935.82 × 28,483,691.73
  4. Step 4: Simplify right side
    89,890,007.69x = 3,840,710,681,098,134.50
  5. Step 5: Solve for x
    x = 3,840,710,681,098,134.50/89,890,007.69
  6. Step 6: Final answer
    x = 42,726,781.10

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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.