Home / 80,452,996.80-120,679,495.20-48,204,369.60

Finding the Fourth Proportional to 80,452,996.80, 120,679,495.20 and 48,204,369.60

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Solution

The fourth proportional to 80,452,996.80, 120,679,495.20 and 48,204,369.60 is: 72,306,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,452,996.80 : 120,679,495.20 = 48,204,369.60 : x
  2. Step 2: Convert to fraction form
    80,452,996.80/120,679,495.20 = 48,204,369.60/x
  3. Step 3: Cross multiply
    80,452,996.80x = 120,679,495.20 × 48,204,369.60
  4. Step 4: Simplify right side
    80,452,996.80x = 5,817,278,989,762,226
  5. Step 5: Solve for x
    x = 5,817,278,989,762,226/80,452,996.80
  6. Step 6: Final answer
    x = 72,306,554.40

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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.