Home / 239,653,344.82-359,264,189.04-86,191,489.22

Finding the Fourth Proportional to 239,653,344.82, 359,264,189.04 and 86,191,489.22

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Solution

The fourth proportional to 239,653,344.82, 359,264,189.04 and 86,191,489.22 is: 129,209,611.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,653,344.82 : 359,264,189.04 = 86,191,489.22 : x
  2. Step 2: Convert to fraction form
    239,653,344.82/359,264,189.04 = 86,191,489.22/x
  3. Step 3: Cross multiply
    239,653,344.82x = 359,264,189.04 × 86,191,489.22
  4. Step 4: Simplify right side
    239,653,344.82x = 30,965,515,476,773,204
  5. Step 5: Solve for x
    x = 30,965,515,476,773,204/239,653,344.82
  6. Step 6: Final answer
    x = 129,209,611.07

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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.