Home / 81,513,451.47-112,489,294.41-44,344,543.26

Finding the Fourth Proportional to 81,513,451.47, 112,489,294.41 and 44,344,543.26

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Solution

The fourth proportional to 81,513,451.47, 112,489,294.41 and 44,344,543.26 is: 61,195,867.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,513,451.47 : 112,489,294.41 = 44,344,543.26 : x
  2. Step 2: Convert to fraction form
    81,513,451.47/112,489,294.41 = 44,344,543.26/x
  3. Step 3: Cross multiply
    81,513,451.47x = 112,489,294.41 × 44,344,543.26
  4. Step 4: Simplify right side
    81,513,451.47x = 4,988,286,382,251,121
  5. Step 5: Solve for x
    x = 4,988,286,382,251,121/81,513,451.47
  6. Step 6: Final answer
    x = 61,195,867.58

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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.