Home / 278,462,414.49-384,255,635.59-160,995,314.76

Finding the Fourth Proportional to 278,462,414.49, 384,255,635.59 and 160,995,314.76

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Solution

The fourth proportional to 278,462,414.49, 384,255,635.59 and 160,995,314.76 is: 222,160,527.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,462,414.49 : 384,255,635.59 = 160,995,314.76 : x
  2. Step 2: Convert to fraction form
    278,462,414.49/384,255,635.59 = 160,995,314.76/x
  3. Step 3: Cross multiply
    278,462,414.49x = 384,255,635.59 × 160,995,314.76
  4. Step 4: Simplify right side
    278,462,414.49x = 61,863,357,000,115,904
  5. Step 5: Solve for x
    x = 61,863,357,000,115,904/278,462,414.49
  6. Step 6: Final answer
    x = 222,160,527.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.