Home / 311,673,729.60-467,202,227.40-147,623,141.70

Finding the Fourth Proportional to 311,673,729.60, 467,202,227.40 and 147,623,141.70

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Solution

The fourth proportional to 311,673,729.60, 467,202,227.40 and 147,623,141.70 is: 221,288,655.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,673,729.60 : 467,202,227.40 = 147,623,141.70 : x
  2. Step 2: Convert to fraction form
    311,673,729.60/467,202,227.40 = 147,623,141.70/x
  3. Step 3: Cross multiply
    311,673,729.60x = 467,202,227.40 × 147,623,141.70
  4. Step 4: Simplify right side
    311,673,729.60x = 68,969,860,618,025,816
  5. Step 5: Solve for x
    x = 68,969,860,618,025,816/311,673,729.60
  6. Step 6: Final answer
    x = 221,288,655.63

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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.