Home / 159,431,142.30-239,146,713.45-145,826,252.70

Finding the Fourth Proportional to 159,431,142.30, 239,146,713.45 and 145,826,252.70

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Solution

The fourth proportional to 159,431,142.30, 239,146,713.45 and 145,826,252.70 is: 218,739,379.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,431,142.30 : 239,146,713.45 = 145,826,252.70 : x
  2. Step 2: Convert to fraction form
    159,431,142.30/239,146,713.45 = 145,826,252.70/x
  3. Step 3: Cross multiply
    159,431,142.30x = 239,146,713.45 × 145,826,252.70
  4. Step 4: Simplify right side
    159,431,142.30x = 34,873,869,067,934,184
  5. Step 5: Solve for x
    x = 34,873,869,067,934,184/159,431,142.30
  6. Step 6: Final answer
    x = 218,739,379.05

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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.