Home / 144,970,494.80-200,059,315.80-79,780,398.80

Finding the Fourth Proportional to 144,970,494.80, 200,059,315.80 and 79,780,398.80

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Solution

The fourth proportional to 144,970,494.80, 200,059,315.80 and 79,780,398.80 is: 110,096,968.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,970,494.80 : 200,059,315.80 = 79,780,398.80 : x
  2. Step 2: Convert to fraction form
    144,970,494.80/200,059,315.80 = 79,780,398.80/x
  3. Step 3: Cross multiply
    144,970,494.80x = 200,059,315.80 × 79,780,398.80
  4. Step 4: Simplify right side
    144,970,494.80x = 15,960,811,998,179,142
  5. Step 5: Solve for x
    x = 15,960,811,998,179,142/144,970,494.80
  6. Step 6: Final answer
    x = 110,096,968.49

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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.