Home / 193,543,609.20-290,747,951.40-161,693,113.20

Finding the Fourth Proportional to 193,543,609.20, 290,747,951.40 and 161,693,113.20

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Solution

The fourth proportional to 193,543,609.20, 290,747,951.40 and 161,693,113.20 is: 242,901,026.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,543,609.20 : 290,747,951.40 = 161,693,113.20 : x
  2. Step 2: Convert to fraction form
    193,543,609.20/290,747,951.40 = 161,693,113.20/x
  3. Step 3: Cross multiply
    193,543,609.20x = 290,747,951.40 × 161,693,113.20
  4. Step 4: Simplify right side
    193,543,609.20x = 47,011,941,418,388,288
  5. Step 5: Solve for x
    x = 47,011,941,418,388,288/193,543,609.20
  6. Step 6: Final answer
    x = 242,901,026.87

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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.