Home / 144,970,489.80-200,059,308.90-79,780,393.80

Finding the Fourth Proportional to 144,970,489.80, 200,059,308.90 and 79,780,393.80

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Solution

The fourth proportional to 144,970,489.80, 200,059,308.90 and 79,780,393.80 is: 110,096,961.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,970,489.80 : 200,059,308.90 = 79,780,393.80 : x
  2. Step 2: Convert to fraction form
    144,970,489.80/200,059,308.90 = 79,780,393.80/x
  3. Step 3: Cross multiply
    144,970,489.80x = 200,059,308.90 × 79,780,393.80
  4. Step 4: Simplify right side
    144,970,489.80x = 15,960,810,447,397,844
  5. Step 5: Solve for x
    x = 15,960,810,447,397,844/144,970,489.80
  6. Step 6: Final answer
    x = 110,096,961.59

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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.