Home / 206,569,195.80-309,853,793.70-194,731,347.53

Finding the Fourth Proportional to 206,569,195.80, 309,853,793.70 and 194,731,347.53

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Solution

The fourth proportional to 206,569,195.80, 309,853,793.70 and 194,731,347.53 is: 292,097,021.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,569,195.80 : 309,853,793.70 = 194,731,347.53 : x
  2. Step 2: Convert to fraction form
    206,569,195.80/309,853,793.70 = 194,731,347.53/x
  3. Step 3: Cross multiply
    206,569,195.80x = 309,853,793.70 × 194,731,347.53
  4. Step 4: Simplify right side
    206,569,195.80x = 60,338,246,782,934,352
  5. Step 5: Solve for x
    x = 60,338,246,782,934,352/206,569,195.80
  6. Step 6: Final answer
    x = 292,097,021.29

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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.