Home / 52,488,002.20-78,732,003.30-18,412,792.60

Finding the Fourth Proportional to 52,488,002.20, 78,732,003.30 and 18,412,792.60

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Solution

The fourth proportional to 52,488,002.20, 78,732,003.30 and 18,412,792.60 is: 27,619,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,002.20 : 78,732,003.30 = 18,412,792.60 : x
  2. Step 2: Convert to fraction form
    52,488,002.20/78,732,003.30 = 18,412,792.60/x
  3. Step 3: Cross multiply
    52,488,002.20x = 78,732,003.30 × 18,412,792.60
  4. Step 4: Simplify right side
    52,488,002.20x = 1,449,676,047,745,415.75
  5. Step 5: Solve for x
    x = 1,449,676,047,745,415.75/52,488,002.20
  6. Step 6: Final answer
    x = 27,619,188.90

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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.