Home / 239,041,046.87-329,877,327.90-138,589,005.81

Finding the Fourth Proportional to 239,041,046.87, 329,877,327.90 and 138,589,005.81

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Solution

The fourth proportional to 239,041,046.87, 329,877,327.90 and 138,589,005.81 is: 191,253,224.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,041,046.87 : 329,877,327.90 = 138,589,005.81 : x
  2. Step 2: Convert to fraction form
    239,041,046.87/329,877,327.90 = 138,589,005.81/x
  3. Step 3: Cross multiply
    239,041,046.87x = 329,877,327.90 × 138,589,005.81
  4. Step 4: Simplify right side
    239,041,046.87x = 45,717,370,912,920,376
  5. Step 5: Solve for x
    x = 45,717,370,912,920,376/239,041,046.87
  6. Step 6: Final answer
    x = 191,253,224.13

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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.