Home / 121,720,399.50-182,591,226.45-30,843,991.74

Finding the Fourth Proportional to 121,720,399.50, 182,591,226.45 and 30,843,991.74

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Solution

The fourth proportional to 121,720,399.50, 182,591,226.45 and 30,843,991.74 is: 46,268,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,720,399.50 : 182,591,226.45 = 30,843,991.74 : x
  2. Step 2: Convert to fraction form
    121,720,399.50/182,591,226.45 = 30,843,991.74/x
  3. Step 3: Cross multiply
    121,720,399.50x = 182,591,226.45 × 30,843,991.74
  4. Step 4: Simplify right side
    121,720,399.50x = 5,631,842,280,420,269
  5. Step 5: Solve for x
    x = 5,631,842,280,420,269/121,720,399.50
  6. Step 6: Final answer
    x = 46,268,680.55

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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.