Home / 129,025,861.60-193,538,792.40-126,039,877.60

Finding the Fourth Proportional to 129,025,861.60, 193,538,792.40 and 126,039,877.60

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Solution

The fourth proportional to 129,025,861.60, 193,538,792.40 and 126,039,877.60 is: 189,059,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,025,861.60 : 193,538,792.40 = 126,039,877.60 : x
  2. Step 2: Convert to fraction form
    129,025,861.60/193,538,792.40 = 126,039,877.60/x
  3. Step 3: Cross multiply
    129,025,861.60x = 193,538,792.40 × 126,039,877.60
  4. Step 4: Simplify right side
    129,025,861.60x = 24,393,605,704,947,808
  5. Step 5: Solve for x
    x = 24,393,605,704,947,808/129,025,861.60
  6. Step 6: Final answer
    x = 189,059,816.40

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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.