Home / 69,068,908.17-95,315,397.71-38,129,331.69

Finding the Fourth Proportional to 69,068,908.17, 95,315,397.71 and 38,129,331.69

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Solution

The fourth proportional to 69,068,908.17, 95,315,397.71 and 38,129,331.69 is: 52,618,645.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,068,908.17 : 95,315,397.71 = 38,129,331.69 : x
  2. Step 2: Convert to fraction form
    69,068,908.17/95,315,397.71 = 38,129,331.69/x
  3. Step 3: Cross multiply
    69,068,908.17x = 95,315,397.71 × 38,129,331.69
  4. Step 4: Simplify right side
    69,068,908.17x = 3,634,312,414,258,209.50
  5. Step 5: Solve for x
    x = 3,634,312,414,258,209.50/69,068,908.17
  6. Step 6: Final answer
    x = 52,618,645.79

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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.