Home / 137,619,004.10-206,428,506.15-83,199,445.70

Finding the Fourth Proportional to 137,619,004.10, 206,428,506.15 and 83,199,445.70

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Solution

The fourth proportional to 137,619,004.10, 206,428,506.15 and 83,199,445.70 is: 124,799,168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,619,004.10 : 206,428,506.15 = 83,199,445.70 : x
  2. Step 2: Convert to fraction form
    137,619,004.10/206,428,506.15 = 83,199,445.70/x
  3. Step 3: Cross multiply
    137,619,004.10x = 206,428,506.15 × 83,199,445.70
  4. Step 4: Simplify right side
    137,619,004.10x = 17,174,737,288,359,042
  5. Step 5: Solve for x
    x = 17,174,737,288,359,042/137,619,004.10
  6. Step 6: Final answer
    x = 124,799,168.55

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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.