Home / 218,068,952.40-327,103,428.60-156,846,949.20

Finding the Fourth Proportional to 218,068,952.40, 327,103,428.60 and 156,846,949.20

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Solution

The fourth proportional to 218,068,952.40, 327,103,428.60 and 156,846,949.20 is: 235,270,423.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,068,952.40 : 327,103,428.60 = 156,846,949.20 : x
  2. Step 2: Convert to fraction form
    218,068,952.40/327,103,428.60 = 156,846,949.20/x
  3. Step 3: Cross multiply
    218,068,952.40x = 327,103,428.60 × 156,846,949.20
  4. Step 4: Simplify right side
    218,068,952.40x = 51,305,174,848,770,024
  5. Step 5: Solve for x
    x = 51,305,174,848,770,024/218,068,952.40
  6. Step 6: Final answer
    x = 235,270,423.80

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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.