Home / 283,164,422.39-390,786,542.67-171,659,962.90

Finding the Fourth Proportional to 283,164,422.39, 390,786,542.67 and 171,659,962.90

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Solution

The fourth proportional to 283,164,422.39, 390,786,542.67 and 171,659,962.90 is: 236,902,654.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,164,422.39 : 390,786,542.67 = 171,659,962.90 : x
  2. Step 2: Convert to fraction form
    283,164,422.39/390,786,542.67 = 171,659,962.90/x
  3. Step 3: Cross multiply
    283,164,422.39x = 390,786,542.67 × 171,659,962.90
  4. Step 4: Simplify right side
    283,164,422.39x = 67,082,403,417,683,672
  5. Step 5: Solve for x
    x = 67,082,403,417,683,672/283,164,422.39
  6. Step 6: Final answer
    x = 236,902,654.83

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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.