Home / 279,165,566.64-418,554,435.12-123,634,621.92

Finding the Fourth Proportional to 279,165,566.64, 418,554,435.12 and 123,634,621.92

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Solution

The fourth proportional to 279,165,566.64, 418,554,435.12 and 123,634,621.92 is: 185,366,053.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,165,566.64 : 418,554,435.12 = 123,634,621.92 : x
  2. Step 2: Convert to fraction form
    279,165,566.64/418,554,435.12 = 123,634,621.92/x
  3. Step 3: Cross multiply
    279,165,566.64x = 418,554,435.12 × 123,634,621.92
  4. Step 4: Simplify right side
    279,165,566.64x = 51,747,819,339,000,368
  5. Step 5: Solve for x
    x = 51,747,819,339,000,368/279,165,566.64
  6. Step 6: Final answer
    x = 185,366,053.42

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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.