Home / 144,970,494.30-200,059,315.11-79,780,398.30

Finding the Fourth Proportional to 144,970,494.30, 200,059,315.11 and 79,780,398.30

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Solution

The fourth proportional to 144,970,494.30, 200,059,315.11 and 79,780,398.30 is: 110,096,967.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,970,494.30 : 200,059,315.11 = 79,780,398.30 : x
  2. Step 2: Convert to fraction form
    144,970,494.30/200,059,315.11 = 79,780,398.30/x
  3. Step 3: Cross multiply
    144,970,494.30x = 200,059,315.11 × 79,780,398.30
  4. Step 4: Simplify right side
    144,970,494.30x = 15,960,811,843,101,008
  5. Step 5: Solve for x
    x = 15,960,811,843,101,008/144,970,494.30
  6. Step 6: Final answer
    x = 110,096,967.80

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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.