Home / 303,272,221.20-454,908,331.80-121,649,744.40

Finding the Fourth Proportional to 303,272,221.20, 454,908,331.80 and 121,649,744.40

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Solution

The fourth proportional to 303,272,221.20, 454,908,331.80 and 121,649,744.40 is: 182,474,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,272,221.20 : 454,908,331.80 = 121,649,744.40 : x
  2. Step 2: Convert to fraction form
    303,272,221.20/454,908,331.80 = 121,649,744.40/x
  3. Step 3: Cross multiply
    303,272,221.20x = 454,908,331.80 × 121,649,744.40
  4. Step 4: Simplify right side
    303,272,221.20x = 55,339,482,288,900,400
  5. Step 5: Solve for x
    x = 55,339,482,288,900,400/303,272,221.20
  6. Step 6: Final answer
    x = 182,474,616.60

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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.