Home / 143,876,914.96-198,550,001.88-77,797,255.36

Finding the Fourth Proportional to 143,876,914.96, 198,550,001.88 and 77,797,255.36

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Solution

The fourth proportional to 143,876,914.96, 198,550,001.88 and 77,797,255.36 is: 107,360,136.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,876,914.96 : 198,550,001.88 = 77,797,255.36 : x
  2. Step 2: Convert to fraction form
    143,876,914.96/198,550,001.88 = 77,797,255.36/x
  3. Step 3: Cross multiply
    143,876,914.96x = 198,550,001.88 × 77,797,255.36
  4. Step 4: Simplify right side
    143,876,914.96x = 15,446,645,197,986,840
  5. Step 5: Solve for x
    x = 15,446,645,197,986,840/143,876,914.96
  6. Step 6: Final answer
    x = 107,360,136.28

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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.