Home / 219,793,534.80-329,690,302.20-138,004,764.90

Finding the Fourth Proportional to 219,793,534.80, 329,690,302.20 and 138,004,764.90

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Solution

The fourth proportional to 219,793,534.80, 329,690,302.20 and 138,004,764.90 is: 207,007,147.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,793,534.80 : 329,690,302.20 = 138,004,764.90 : x
  2. Step 2: Convert to fraction form
    219,793,534.80/329,690,302.20 = 138,004,764.90/x
  3. Step 3: Cross multiply
    219,793,534.80x = 329,690,302.20 × 138,004,764.90
  4. Step 4: Simplify right side
    219,793,534.80x = 45,498,832,644,920,952
  5. Step 5: Solve for x
    x = 45,498,832,644,920,952/219,793,534.80
  6. Step 6: Final answer
    x = 207,007,147.35

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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.