Home / 75,488,269.20-113,232,403.80-45,180,531.60

Finding the Fourth Proportional to 75,488,269.20, 113,232,403.80 and 45,180,531.60

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Solution

The fourth proportional to 75,488,269.20, 113,232,403.80 and 45,180,531.60 is: 67,770,797.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,488,269.20 : 113,232,403.80 = 45,180,531.60 : x
  2. Step 2: Convert to fraction form
    75,488,269.20/113,232,403.80 = 45,180,531.60/x
  3. Step 3: Cross multiply
    75,488,269.20x = 113,232,403.80 × 45,180,531.60
  4. Step 4: Simplify right side
    75,488,269.20x = 5,115,900,198,029,860
  5. Step 5: Solve for x
    x = 5,115,900,198,029,860/75,488,269.20
  6. Step 6: Final answer
    x = 67,770,797.40

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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.