Home / 120,667,639.20-181,001,458.80-43,993,168.80

Finding the Fourth Proportional to 120,667,639.20, 181,001,458.80 and 43,993,168.80

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Solution

The fourth proportional to 120,667,639.20, 181,001,458.80 and 43,993,168.80 is: 65,989,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,667,639.20 : 181,001,458.80 = 43,993,168.80 : x
  2. Step 2: Convert to fraction form
    120,667,639.20/181,001,458.80 = 43,993,168.80/x
  3. Step 3: Cross multiply
    120,667,639.20x = 181,001,458.80 × 43,993,168.80
  4. Step 4: Simplify right side
    120,667,639.20x = 7,962,827,730,034,645
  5. Step 5: Solve for x
    x = 7,962,827,730,034,645/120,667,639.20
  6. Step 6: Final answer
    x = 65,989,753.20

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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.