Home / 131,597,149.82-181,616,252.94-72,859,815.92

Finding the Fourth Proportional to 131,597,149.82, 181,616,252.94 and 72,859,815.92

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Solution

The fourth proportional to 131,597,149.82, 181,616,252.94 and 72,859,815.92 is: 100,553,292.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,597,149.82 : 181,616,252.94 = 72,859,815.92 : x
  2. Step 2: Convert to fraction form
    131,597,149.82/181,616,252.94 = 72,859,815.92/x
  3. Step 3: Cross multiply
    131,597,149.82x = 181,616,252.94 × 72,859,815.92
  4. Step 4: Simplify right side
    131,597,149.82x = 13,232,526,757,288,558
  5. Step 5: Solve for x
    x = 13,232,526,757,288,558/131,597,149.82
  6. Step 6: Final answer
    x = 100,553,292.95

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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.