Home / 137,931,741.90-206,663,475.06-83,229,380.10

Finding the Fourth Proportional to 137,931,741.90, 206,663,475.06 and 83,229,380.10

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Solution

The fourth proportional to 137,931,741.90, 206,663,475.06 and 83,229,380.10 is: 124,702,789.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,931,741.90 : 206,663,475.06 = 83,229,380.10 : x
  2. Step 2: Convert to fraction form
    137,931,741.90/206,663,475.06 = 83,229,380.10/x
  3. Step 3: Cross multiply
    137,931,741.90x = 206,663,475.06 × 83,229,380.10
  4. Step 4: Simplify right side
    137,931,741.90x = 17,200,472,918,555,610
  5. Step 5: Solve for x
    x = 17,200,472,918,555,610/137,931,741.90
  6. Step 6: Final answer
    x = 124,702,789.09

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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.