Home / 91,864,244.55-137,796,366.83-86,195,540.55

Finding the Fourth Proportional to 91,864,244.55, 137,796,366.83 and 86,195,540.55

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Solution

The fourth proportional to 91,864,244.55, 137,796,366.83 and 86,195,540.55 is: 129,293,310.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,864,244.55 : 137,796,366.83 = 86,195,540.55 : x
  2. Step 2: Convert to fraction form
    91,864,244.55/137,796,366.83 = 86,195,540.55/x
  3. Step 3: Cross multiply
    91,864,244.55x = 137,796,366.83 × 86,195,540.55
  4. Step 4: Simplify right side
    91,864,244.55x = 11,877,432,324,306,960
  5. Step 5: Solve for x
    x = 11,877,432,324,306,960/91,864,244.55
  6. Step 6: Final answer
    x = 129,293,310.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.