Home / 80,760,232.80-121,140,349.20-48,511,605.60

Finding the Fourth Proportional to 80,760,232.80, 121,140,349.20 and 48,511,605.60

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Solution

The fourth proportional to 80,760,232.80, 121,140,349.20 and 48,511,605.60 is: 72,767,408.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,760,232.80 : 121,140,349.20 = 48,511,605.60 : x
  2. Step 2: Convert to fraction form
    80,760,232.80/121,140,349.20 = 48,511,605.60/x
  3. Step 3: Cross multiply
    80,760,232.80x = 121,140,349.20 × 48,511,605.60
  4. Step 4: Simplify right side
    80,760,232.80x = 5,876,712,842,636,676
  5. Step 5: Solve for x
    x = 5,876,712,842,636,676/80,760,232.80
  6. Step 6: Final answer
    x = 72,767,408.40

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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.