Home / 99,793,630.20-149,690,445.30-48,708,420.60

Finding the Fourth Proportional to 99,793,630.20, 149,690,445.30 and 48,708,420.60

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Solution

The fourth proportional to 99,793,630.20, 149,690,445.30 and 48,708,420.60 is: 73,062,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,793,630.20 : 149,690,445.30 = 48,708,420.60 : x
  2. Step 2: Convert to fraction form
    99,793,630.20/149,690,445.30 = 48,708,420.60/x
  3. Step 3: Cross multiply
    99,793,630.20x = 149,690,445.30 × 48,708,420.60
  4. Step 4: Simplify right side
    99,793,630.20x = 7,291,185,169,473,694
  5. Step 5: Solve for x
    x = 7,291,185,169,473,694/99,793,630.20
  6. Step 6: Final answer
    x = 73,062,630.90

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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.