Home / 144,970,486.30-200,059,304.07-79,780,390.30

Finding the Fourth Proportional to 144,970,486.30, 200,059,304.07 and 79,780,390.30

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Solution

The fourth proportional to 144,970,486.30, 200,059,304.07 and 79,780,390.30 is: 110,096,956.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,970,486.30 : 200,059,304.07 = 79,780,390.30 : x
  2. Step 2: Convert to fraction form
    144,970,486.30/200,059,304.07 = 79,780,390.30/x
  3. Step 3: Cross multiply
    144,970,486.30x = 200,059,304.07 × 79,780,390.30
  4. Step 4: Simplify right side
    144,970,486.30x = 15,960,809,361,850,978
  5. Step 5: Solve for x
    x = 15,960,809,361,850,978/144,970,486.30
  6. Step 6: Final answer
    x = 110,096,956.76

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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.