Home / 126,399,200.60-189,598,800.90-88,103,955.80

Finding the Fourth Proportional to 126,399,200.60, 189,598,800.90 and 88,103,955.80

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Solution

The fourth proportional to 126,399,200.60, 189,598,800.90 and 88,103,955.80 is: 132,155,933.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,399,200.60 : 189,598,800.90 = 88,103,955.80 : x
  2. Step 2: Convert to fraction form
    126,399,200.60/189,598,800.90 = 88,103,955.80/x
  3. Step 3: Cross multiply
    126,399,200.60x = 189,598,800.90 × 88,103,955.80
  4. Step 4: Simplify right side
    126,399,200.60x = 16,704,404,374,226,600
  5. Step 5: Solve for x
    x = 16,704,404,374,226,600/126,399,200.60
  6. Step 6: Final answer
    x = 132,155,933.70

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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.