Home / 161,838,518.10-242,757,777.15-92,680,329.30

Finding the Fourth Proportional to 161,838,518.10, 242,757,777.15 and 92,680,329.30

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Solution

The fourth proportional to 161,838,518.10, 242,757,777.15 and 92,680,329.30 is: 139,020,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,838,518.10 : 242,757,777.15 = 92,680,329.30 : x
  2. Step 2: Convert to fraction form
    161,838,518.10/242,757,777.15 = 92,680,329.30/x
  3. Step 3: Cross multiply
    161,838,518.10x = 242,757,777.15 × 92,680,329.30
  4. Step 4: Simplify right side
    161,838,518.10x = 22,498,870,726,398,016
  5. Step 5: Solve for x
    x = 22,498,870,726,398,016/161,838,518.10
  6. Step 6: Final answer
    x = 139,020,493.95

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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.