Home / 57,092,207.04-78,787,319.58-30,986,721.90

Finding the Fourth Proportional to 57,092,207.04, 78,787,319.58 and 30,986,721.90

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Solution

The fourth proportional to 57,092,207.04, 78,787,319.58 and 30,986,721.90 is: 42,761,716.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,092,207.04 : 78,787,319.58 = 30,986,721.90 : x
  2. Step 2: Convert to fraction form
    57,092,207.04/78,787,319.58 = 30,986,721.90/x
  3. Step 3: Cross multiply
    57,092,207.04x = 78,787,319.58 × 30,986,721.90
  4. Step 4: Simplify right side
    57,092,207.04x = 2,441,360,761,071,884.50
  5. Step 5: Solve for x
    x = 2,441,360,761,071,884.50/57,092,207.04
  6. Step 6: Final answer
    x = 42,761,716.31

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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.