Home / 144,970,489.30-200,059,308.21-79,780,393.30

Finding the Fourth Proportional to 144,970,489.30, 200,059,308.21 and 79,780,393.30

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Solution

The fourth proportional to 144,970,489.30, 200,059,308.21 and 79,780,393.30 is: 110,096,960.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,970,489.30 : 200,059,308.21 = 79,780,393.30 : x
  2. Step 2: Convert to fraction form
    144,970,489.30/200,059,308.21 = 79,780,393.30/x
  3. Step 3: Cross multiply
    144,970,489.30x = 200,059,308.21 × 79,780,393.30
  4. Step 4: Simplify right side
    144,970,489.30x = 15,960,810,292,319,720
  5. Step 5: Solve for x
    x = 15,960,810,292,319,720/144,970,489.30
  6. Step 6: Final answer
    x = 110,096,960.90

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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.