Home / 123,286,837.52-170,129,789.91-67,532,505.29

Finding the Fourth Proportional to 123,286,837.52, 170,129,789.91 and 67,532,505.29

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Solution

The fourth proportional to 123,286,837.52, 170,129,789.91 and 67,532,505.29 is: 93,191,545.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,286,837.52 : 170,129,789.91 = 67,532,505.29 : x
  2. Step 2: Convert to fraction form
    123,286,837.52/170,129,789.91 = 67,532,505.29/x
  3. Step 3: Cross multiply
    123,286,837.52x = 170,129,789.91 × 67,532,505.29
  4. Step 4: Simplify right side
    123,286,837.52x = 11,489,290,936,233,014
  5. Step 5: Solve for x
    x = 11,489,290,936,233,014/123,286,837.52
  6. Step 6: Final answer
    x = 93,191,545.57

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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.