Home / 218,313,472.40-327,470,208.60-156,772,604.60

Finding the Fourth Proportional to 218,313,472.40, 327,470,208.60 and 156,772,604.60

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Solution

The fourth proportional to 218,313,472.40, 327,470,208.60 and 156,772,604.60 is: 235,158,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,313,472.40 : 327,470,208.60 = 156,772,604.60 : x
  2. Step 2: Convert to fraction form
    218,313,472.40/327,470,208.60 = 156,772,604.60/x
  3. Step 3: Cross multiply
    218,313,472.40x = 327,470,208.60 × 156,772,604.60
  4. Step 4: Simplify right side
    218,313,472.40x = 51,338,357,531,127,320
  5. Step 5: Solve for x
    x = 51,338,357,531,127,320/218,313,472.40
  6. Step 6: Final answer
    x = 235,158,906.90

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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.