Home / 121,275,280.80-181,912,921.20-44,582,439.60

Finding the Fourth Proportional to 121,275,280.80, 181,912,921.20 and 44,582,439.60

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Solution

The fourth proportional to 121,275,280.80, 181,912,921.20 and 44,582,439.60 is: 66,873,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,275,280.80 : 181,912,921.20 = 44,582,439.60 : x
  2. Step 2: Convert to fraction form
    121,275,280.80/181,912,921.20 = 44,582,439.60/x
  3. Step 3: Cross multiply
    121,275,280.80x = 181,912,921.20 × 44,582,439.60
  4. Step 4: Simplify right side
    121,275,280.80x = 8,110,121,821,858,559
  5. Step 5: Solve for x
    x = 8,110,121,821,858,559/121,275,280.80
  6. Step 6: Final answer
    x = 66,873,659.40

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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.