Home / 144,970,439.87-200,059,239.66-79,780,343.87

Finding the Fourth Proportional to 144,970,439.87, 200,059,239.66 and 79,780,343.87

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Solution

The fourth proportional to 144,970,439.87, 200,059,239.66 and 79,780,343.87 is: 110,096,892.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,970,439.87 : 200,059,239.66 = 79,780,343.87 : x
  2. Step 2: Convert to fraction form
    144,970,439.87/200,059,239.66 = 79,780,343.87/x
  3. Step 3: Cross multiply
    144,970,439.87x = 200,059,239.66 × 79,780,343.87
  4. Step 4: Simplify right side
    144,970,439.87x = 15,960,794,934,646,514
  5. Step 5: Solve for x
    x = 15,960,794,934,646,514/144,970,439.87
  6. Step 6: Final answer
    x = 110,096,892.50

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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.