Home / 231,168,801.23-346,700,140.15-137,822,185.88

Finding the Fourth Proportional to 231,168,801.23, 346,700,140.15 and 137,822,185.88

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Solution

The fourth proportional to 231,168,801.23, 346,700,140.15 and 137,822,185.88 is: 206,701,643.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,168,801.23 : 346,700,140.15 = 137,822,185.88 : x
  2. Step 2: Convert to fraction form
    231,168,801.23/346,700,140.15 = 137,822,185.88/x
  3. Step 3: Cross multiply
    231,168,801.23x = 346,700,140.15 × 137,822,185.88
  4. Step 4: Simplify right side
    231,168,801.23x = 47,782,971,160,375,344
  5. Step 5: Solve for x
    x = 47,782,971,160,375,344/231,168,801.23
  6. Step 6: Final answer
    x = 206,701,643.59

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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.