Home / 283,164,604.04-390,786,793.29-171,660,144.78

Finding the Fourth Proportional to 283,164,604.04, 390,786,793.29 and 171,660,144.78

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Solution

The fourth proportional to 283,164,604.04, 390,786,793.29 and 171,660,144.78 is: 236,902,905.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,164,604.04 : 390,786,793.29 = 171,660,144.78 : x
  2. Step 2: Convert to fraction form
    283,164,604.04/390,786,793.29 = 171,660,144.78/x
  3. Step 3: Cross multiply
    283,164,604.04x = 390,786,793.29 × 171,660,144.78
  4. Step 4: Simplify right side
    283,164,604.04x = 67,082,517,514,273,336
  5. Step 5: Solve for x
    x = 67,082,517,514,273,336/283,164,604.04
  6. Step 6: Final answer
    x = 236,902,905.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.