Home / 80,393,666.49-120,590,565.98-19,809,398.97

Finding the Fourth Proportional to 80,393,666.49, 120,590,565.98 and 19,809,398.97

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Solution

The fourth proportional to 80,393,666.49, 120,590,565.98 and 19,809,398.97 is: 29,714,114.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,393,666.49 : 120,590,565.98 = 19,809,398.97 : x
  2. Step 2: Convert to fraction form
    80,393,666.49/120,590,565.98 = 19,809,398.97/x
  3. Step 3: Cross multiply
    80,393,666.49x = 120,590,565.98 × 19,809,398.97
  4. Step 4: Simplify right side
    80,393,666.49x = 2,388,826,633,416,882
  5. Step 5: Solve for x
    x = 2,388,826,633,416,882/80,393,666.49
  6. Step 6: Final answer
    x = 29,714,114.78

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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.