Home / 278,345,589.06-384,070,789.17-160,881,877.38

Finding the Fourth Proportional to 278,345,589.06, 384,070,789.17 and 160,881,877.38

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Solution

The fourth proportional to 278,345,589.06, 384,070,789.17 and 160,881,877.38 is: 221,990,331.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,345,589.06 : 384,070,789.17 = 160,881,877.38 : x
  2. Step 2: Convert to fraction form
    278,345,589.06/384,070,789.17 = 160,881,877.38/x
  3. Step 3: Cross multiply
    278,345,589.06x = 384,070,789.17 × 160,881,877.38
  4. Step 4: Simplify right side
    278,345,589.06x = 61,790,029,608,487,776
  5. Step 5: Solve for x
    x = 61,790,029,608,487,776/278,345,589.06
  6. Step 6: Final answer
    x = 221,990,331.58

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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.