Home / 131,868,186.30-197,802,279.45-67,370,931.90

Finding the Fourth Proportional to 131,868,186.30, 197,802,279.45 and 67,370,931.90

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Solution

The fourth proportional to 131,868,186.30, 197,802,279.45 and 67,370,931.90 is: 101,056,397.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,868,186.30 : 197,802,279.45 = 67,370,931.90 : x
  2. Step 2: Convert to fraction form
    131,868,186.30/197,802,279.45 = 67,370,931.90/x
  3. Step 3: Cross multiply
    131,868,186.30x = 197,802,279.45 × 67,370,931.90
  4. Step 4: Simplify right side
    131,868,186.30x = 13,326,123,898,490,720
  5. Step 5: Solve for x
    x = 13,326,123,898,490,720/131,868,186.30
  6. Step 6: Final answer
    x = 101,056,397.85

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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.