Home / 90,441,920.45-135,663,720.31-25,745,723.17

Finding the Fourth Proportional to 90,441,920.45, 135,663,720.31 and 25,745,723.17

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Solution

The fourth proportional to 90,441,920.45, 135,663,720.31 and 25,745,723.17 is: 38,618,823.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,441,920.45 : 135,663,720.31 = 25,745,723.17 : x
  2. Step 2: Convert to fraction form
    90,441,920.45/135,663,720.31 = 25,745,723.17/x
  3. Step 3: Cross multiply
    90,441,920.45x = 135,663,720.31 × 25,745,723.17
  4. Step 4: Simplify right side
    90,441,920.45x = 3,492,760,587,006,589.50
  5. Step 5: Solve for x
    x = 3,492,760,587,006,589.50/90,441,920.45
  6. Step 6: Final answer
    x = 38,618,823.77

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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.