Home / 137,619,005.10-206,428,507.65-83,199,446.70

Finding the Fourth Proportional to 137,619,005.10, 206,428,507.65 and 83,199,446.70

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Solution

The fourth proportional to 137,619,005.10, 206,428,507.65 and 83,199,446.70 is: 124,799,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,619,005.10 : 206,428,507.65 = 83,199,446.70 : x
  2. Step 2: Convert to fraction form
    137,619,005.10/206,428,507.65 = 83,199,446.70/x
  3. Step 3: Cross multiply
    137,619,005.10x = 206,428,507.65 × 83,199,446.70
  4. Step 4: Simplify right side
    137,619,005.10x = 17,174,737,619,586,718
  5. Step 5: Solve for x
    x = 17,174,737,619,586,718/137,619,005.10
  6. Step 6: Final answer
    x = 124,799,170.05

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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.