Home / 67,156,612.60-100,734,918.90-21,722,999.80

Finding the Fourth Proportional to 67,156,612.60, 100,734,918.90 and 21,722,999.80

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Solution

The fourth proportional to 67,156,612.60, 100,734,918.90 and 21,722,999.80 is: 32,584,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,156,612.60 : 100,734,918.90 = 21,722,999.80 : x
  2. Step 2: Convert to fraction form
    67,156,612.60/100,734,918.90 = 21,722,999.80/x
  3. Step 3: Cross multiply
    67,156,612.60x = 100,734,918.90 × 21,722,999.80
  4. Step 4: Simplify right side
    67,156,612.60x = 2,188,264,623,117,716.50
  5. Step 5: Solve for x
    x = 2,188,264,623,117,716.50/67,156,612.60
  6. Step 6: Final answer
    x = 32,584,499.70

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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.