Home / 133,056,139.20-199,434,909.60-75,575,947.20

Finding the Fourth Proportional to 133,056,139.20, 199,434,909.60 and 75,575,947.20

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Solution

The fourth proportional to 133,056,139.20, 199,434,909.60 and 75,575,947.20 is: 113,279,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,056,139.20 : 199,434,909.60 = 75,575,947.20 : x
  2. Step 2: Convert to fraction form
    133,056,139.20/199,434,909.60 = 75,575,947.20/x
  3. Step 3: Cross multiply
    133,056,139.20x = 199,434,909.60 × 75,575,947.20
  4. Step 4: Simplify right side
    133,056,139.20x = 15,072,482,197,766,374
  5. Step 5: Solve for x
    x = 15,072,482,197,766,374/133,056,139.20
  6. Step 6: Final answer
    x = 113,279,118.79

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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.