Home / 279,165,874.68-418,554,896.20-123,634,929.96

Finding the Fourth Proportional to 279,165,874.68, 418,554,896.20 and 123,634,929.96

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Solution

The fourth proportional to 279,165,874.68, 418,554,896.20 and 123,634,929.96 is: 185,366,514.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,165,874.68 : 418,554,896.20 = 123,634,929.96 : x
  2. Step 2: Convert to fraction form
    279,165,874.68/418,554,896.20 = 123,634,929.96/x
  3. Step 3: Cross multiply
    279,165,874.68x = 418,554,896.20 × 123,634,929.96
  4. Step 4: Simplify right side
    279,165,874.68x = 51,748,005,276,102,064
  5. Step 5: Solve for x
    x = 51,748,005,276,102,064/279,165,874.68
  6. Step 6: Final answer
    x = 185,366,514.93

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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.