Home / 279,165,876.19-418,554,898.44-123,634,931.47

Finding the Fourth Proportional to 279,165,876.19, 418,554,898.44 and 123,634,931.47

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Solution

The fourth proportional to 279,165,876.19, 418,554,898.44 and 123,634,931.47 is: 185,366,517.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,165,876.19 : 418,554,898.44 = 123,634,931.47 : x
  2. Step 2: Convert to fraction form
    279,165,876.19/418,554,898.44 = 123,634,931.47/x
  3. Step 3: Cross multiply
    279,165,876.19x = 418,554,898.44 × 123,634,931.47
  4. Step 4: Simplify right side
    279,165,876.19x = 51,748,006,185,062,208
  5. Step 5: Solve for x
    x = 51,748,006,185,062,208/279,165,876.19
  6. Step 6: Final answer
    x = 185,366,517.18

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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.