Home / 279,275,333.43-418,625,565.57-123,902,313.60

Finding the Fourth Proportional to 279,275,333.43, 418,625,565.57 and 123,902,313.60

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Solution

The fourth proportional to 279,275,333.43, 418,625,565.57 and 123,902,313.60 is: 185,725,948.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,275,333.43 : 418,625,565.57 = 123,902,313.60 : x
  2. Step 2: Convert to fraction form
    279,275,333.43/418,625,565.57 = 123,902,313.60/x
  3. Step 3: Cross multiply
    279,275,333.43x = 418,625,565.57 × 123,902,313.60
  4. Step 4: Simplify right side
    279,275,333.43x = 51,868,676,106,231,496
  5. Step 5: Solve for x
    x = 51,868,676,106,231,496/279,275,333.43
  6. Step 6: Final answer
    x = 185,725,948.19

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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.