Home / 87,936,209.40-131,904,314.10-79,008,000.60

Finding the Fourth Proportional to 87,936,209.40, 131,904,314.10 and 79,008,000.60

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Solution

The fourth proportional to 87,936,209.40, 131,904,314.10 and 79,008,000.60 is: 118,512,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,936,209.40 : 131,904,314.10 = 79,008,000.60 : x
  2. Step 2: Convert to fraction form
    87,936,209.40/131,904,314.10 = 79,008,000.60/x
  3. Step 3: Cross multiply
    87,936,209.40x = 131,904,314.10 × 79,008,000.60
  4. Step 4: Simplify right side
    87,936,209.40x = 10,421,496,127,555,388
  5. Step 5: Solve for x
    x = 10,421,496,127,555,388/87,936,209.40
  6. Step 6: Final answer
    x = 118,512,000.90

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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.