Home / 57,092,165.04-78,787,261.53-30,986,679.90

Finding the Fourth Proportional to 57,092,165.04, 78,787,261.53 and 30,986,679.90

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Solution

The fourth proportional to 57,092,165.04, 78,787,261.53 and 30,986,679.90 is: 42,761,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,092,165.04 : 78,787,261.53 = 30,986,679.90 : x
  2. Step 2: Convert to fraction form
    57,092,165.04/78,787,261.53 = 30,986,679.90/x
  3. Step 3: Cross multiply
    57,092,165.04x = 78,787,261.53 × 30,986,679.90
  4. Step 4: Simplify right side
    57,092,165.04x = 2,441,355,653,227,694
  5. Step 5: Solve for x
    x = 2,441,355,653,227,694/57,092,165.04
  6. Step 6: Final answer
    x = 42,761,658.30

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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.