Home / 218,548,251.20-327,780,386.40-65,199,310.40

Finding the Fourth Proportional to 218,548,251.20, 327,780,386.40 and 65,199,310.40

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Solution

The fourth proportional to 218,548,251.20, 327,780,386.40 and 65,199,310.40 is: 97,786,438.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,548,251.20 : 327,780,386.40 = 65,199,310.40 : x
  2. Step 2: Convert to fraction form
    218,548,251.20/327,780,386.40 = 65,199,310.40/x
  3. Step 3: Cross multiply
    218,548,251.20x = 327,780,386.40 × 65,199,310.40
  4. Step 4: Simplify right side
    218,548,251.20x = 21,371,055,155,925,536
  5. Step 5: Solve for x
    x = 21,371,055,155,925,536/218,548,251.20
  6. Step 6: Final answer
    x = 97,786,438.64

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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.