Home / 131,766,112.65-197,454,951.54-73,393,435.11

Finding the Fourth Proportional to 131,766,112.65, 197,454,951.54 and 73,393,435.11

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Solution

The fourth proportional to 131,766,112.65, 197,454,951.54 and 73,393,435.11 is: 109,981,973.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,766,112.65 : 197,454,951.54 = 73,393,435.11 : x
  2. Step 2: Convert to fraction form
    131,766,112.65/197,454,951.54 = 73,393,435.11/x
  3. Step 3: Cross multiply
    131,766,112.65x = 197,454,951.54 × 73,393,435.11
  4. Step 4: Simplify right side
    131,766,112.65x = 14,491,897,172,999,184
  5. Step 5: Solve for x
    x = 14,491,897,172,999,184/131,766,112.65
  6. Step 6: Final answer
    x = 109,981,973.98

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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.