Home / 159,715,808.10-239,573,712.15-82,231,710.30

Finding the Fourth Proportional to 159,715,808.10, 239,573,712.15 and 82,231,710.30

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Solution

The fourth proportional to 159,715,808.10, 239,573,712.15 and 82,231,710.30 is: 123,347,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,715,808.10 : 239,573,712.15 = 82,231,710.30 : x
  2. Step 2: Convert to fraction form
    159,715,808.10/239,573,712.15 = 82,231,710.30/x
  3. Step 3: Cross multiply
    159,715,808.10x = 239,573,712.15 × 82,231,710.30
  4. Step 4: Simplify right side
    159,715,808.10x = 19,700,556,093,014,388
  5. Step 5: Solve for x
    x = 19,700,556,093,014,388/159,715,808.10
  6. Step 6: Final answer
    x = 123,347,565.45

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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.