Home / 57,092,217.04-78,787,333.38-30,986,731.90

Finding the Fourth Proportional to 57,092,217.04, 78,787,333.38 and 30,986,731.90

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Solution

The fourth proportional to 57,092,217.04, 78,787,333.38 and 30,986,731.90 is: 42,761,730.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,092,217.04 : 78,787,333.38 = 30,986,731.90 : x
  2. Step 2: Convert to fraction form
    57,092,217.04/78,787,333.38 = 30,986,731.90/x
  3. Step 3: Cross multiply
    57,092,217.04x = 78,787,333.38 × 30,986,731.90
  4. Step 4: Simplify right side
    57,092,217.04x = 2,441,361,976,561,980.50
  5. Step 5: Solve for x
    x = 2,441,361,976,561,980.50/57,092,217.04
  6. Step 6: Final answer
    x = 42,761,730.11

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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.