Home / 137,771,739.72-206,657,609.52-56,992,707.72

Finding the Fourth Proportional to 137,771,739.72, 206,657,609.52 and 56,992,707.72

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Solution

The fourth proportional to 137,771,739.72, 206,657,609.52 and 56,992,707.72 is: 85,489,061.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,771,739.72 : 206,657,609.52 = 56,992,707.72 : x
  2. Step 2: Convert to fraction form
    137,771,739.72/206,657,609.52 = 56,992,707.72/x
  3. Step 3: Cross multiply
    137,771,739.72x = 206,657,609.52 × 56,992,707.72
  4. Step 4: Simplify right side
    137,771,739.72x = 11,777,976,737,487,250
  5. Step 5: Solve for x
    x = 11,777,976,737,487,250/137,771,739.72
  6. Step 6: Final answer
    x = 85,489,061.56

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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.