Home / 239,855,444.24-331,000,623.96-129,847,157.36

Finding the Fourth Proportional to 239,855,444.24, 331,000,623.96 and 129,847,157.36

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Solution

The fourth proportional to 239,855,444.24, 331,000,623.96 and 129,847,157.36 is: 179,189,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,855,444.24 : 331,000,623.96 = 129,847,157.36 : x
  2. Step 2: Convert to fraction form
    239,855,444.24/331,000,623.96 = 129,847,157.36/x
  3. Step 3: Cross multiply
    239,855,444.24x = 331,000,623.96 × 129,847,157.36
  4. Step 4: Simplify right side
    239,855,444.24x = 42,979,490,105,592,304
  5. Step 5: Solve for x
    x = 42,979,490,105,592,304/239,855,444.24
  6. Step 6: Final answer
    x = 179,189,137.20

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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.