Home / 84,044,512.80-126,066,769.20-67,038,400.80

Finding the Fourth Proportional to 84,044,512.80, 126,066,769.20 and 67,038,400.80

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Solution

The fourth proportional to 84,044,512.80, 126,066,769.20 and 67,038,400.80 is: 100,557,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,044,512.80 : 126,066,769.20 = 67,038,400.80 : x
  2. Step 2: Convert to fraction form
    84,044,512.80/126,066,769.20 = 67,038,400.80/x
  3. Step 3: Cross multiply
    84,044,512.80x = 126,066,769.20 × 67,038,400.80
  4. Step 4: Simplify right side
    84,044,512.80x = 8,451,314,601,190,695
  5. Step 5: Solve for x
    x = 8,451,314,601,190,695/84,044,512.80
  6. Step 6: Final answer
    x = 100,557,601.20

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.