Home / 90,441,891.77-135,663,677.21-25,745,694.48

Finding the Fourth Proportional to 90,441,891.77, 135,663,677.21 and 25,745,694.48

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Solution

The fourth proportional to 90,441,891.77, 135,663,677.21 and 25,745,694.48 is: 38,618,780.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,441,891.77 : 135,663,677.21 = 25,745,694.48 : x
  2. Step 2: Convert to fraction form
    90,441,891.77/135,663,677.21 = 25,745,694.48/x
  3. Step 3: Cross multiply
    90,441,891.77x = 135,663,677.21 × 25,745,694.48
  4. Step 4: Simplify right side
    90,441,891.77x = 3,492,755,585,546,363.50
  5. Step 5: Solve for x
    x = 3,492,755,585,546,363.50/90,441,891.77
  6. Step 6: Final answer
    x = 38,618,780.72

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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.