Home / 83,561,308.66-115,315,023.30-52,217,557.96

Finding the Fourth Proportional to 83,561,308.66, 115,315,023.30 and 52,217,557.96

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Solution

The fourth proportional to 83,561,308.66, 115,315,023.30 and 52,217,557.96 is: 72,060,490.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,561,308.66 : 115,315,023.30 = 52,217,557.96 : x
  2. Step 2: Convert to fraction form
    83,561,308.66/115,315,023.30 = 52,217,557.96/x
  3. Step 3: Cross multiply
    83,561,308.66x = 115,315,023.30 × 52,217,557.96
  4. Step 4: Simplify right side
    83,561,308.66x = 6,021,468,912,826,500
  5. Step 5: Solve for x
    x = 6,021,468,912,826,500/83,561,308.66
  6. Step 6: Final answer
    x = 72,060,490.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.