Home / 80,753,678.20-121,130,517.30-46,741,454.20

Finding the Fourth Proportional to 80,753,678.20, 121,130,517.30 and 46,741,454.20

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Solution

The fourth proportional to 80,753,678.20, 121,130,517.30 and 46,741,454.20 is: 70,112,181.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,753,678.20 : 121,130,517.30 = 46,741,454.20 : x
  2. Step 2: Convert to fraction form
    80,753,678.20/121,130,517.30 = 46,741,454.20/x
  3. Step 3: Cross multiply
    80,753,678.20x = 121,130,517.30 × 46,741,454.20
  4. Step 4: Simplify right side
    80,753,678.20x = 5,661,816,526,600,258
  5. Step 5: Solve for x
    x = 5,661,816,526,600,258/80,753,678.20
  6. Step 6: Final answer
    x = 70,112,181.30

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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.