Home / 87,406,000.60-131,109,000.90-46,591,331.80

Finding the Fourth Proportional to 87,406,000.60, 131,109,000.90 and 46,591,331.80

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Solution

The fourth proportional to 87,406,000.60, 131,109,000.90 and 46,591,331.80 is: 69,886,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,406,000.60 : 131,109,000.90 = 46,591,331.80 : x
  2. Step 2: Convert to fraction form
    87,406,000.60/131,109,000.90 = 46,591,331.80/x
  3. Step 3: Cross multiply
    87,406,000.60x = 131,109,000.90 × 46,591,331.80
  4. Step 4: Simplify right side
    87,406,000.60x = 6,108,542,962,898,399
  5. Step 5: Solve for x
    x = 6,108,542,962,898,399/87,406,000.60
  6. Step 6: Final answer
    x = 69,886,997.70

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1.5x scale

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.