Home / 125,443,378.08-187,890,729.84-88,941,123.36

Finding the Fourth Proportional to 125,443,378.08, 187,890,729.84 and 88,941,123.36

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Solution

The fourth proportional to 125,443,378.08, 187,890,729.84 and 88,941,123.36 is: 133,217,176.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,443,378.08 : 187,890,729.84 = 88,941,123.36 : x
  2. Step 2: Convert to fraction form
    125,443,378.08/187,890,729.84 = 88,941,123.36/x
  3. Step 3: Cross multiply
    125,443,378.08x = 187,890,729.84 × 88,941,123.36
  4. Step 4: Simplify right side
    125,443,378.08x = 16,711,212,580,899,874
  5. Step 5: Solve for x
    x = 16,711,212,580,899,874/125,443,378.08
  6. Step 6: Final answer
    x = 133,217,176.04

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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.