Home / 144,970,439.31-200,059,238.88-79,780,343.31

Finding the Fourth Proportional to 144,970,439.31, 200,059,238.88 and 79,780,343.31

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Solution

The fourth proportional to 144,970,439.31, 200,059,238.88 and 79,780,343.31 is: 110,096,891.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,970,439.31 : 200,059,238.88 = 79,780,343.31 : x
  2. Step 2: Convert to fraction form
    144,970,439.31/200,059,238.88 = 79,780,343.31/x
  3. Step 3: Cross multiply
    144,970,439.31x = 200,059,238.88 × 79,780,343.31
  4. Step 4: Simplify right side
    144,970,439.31x = 15,960,794,760,183,700
  5. Step 5: Solve for x
    x = 15,960,794,760,183,700/144,970,439.31
  6. Step 6: Final answer
    x = 110,096,891.73

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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.