Home / 66,882,672.20-100,324,008.30-38,184,858.20

Finding the Fourth Proportional to 66,882,672.20, 100,324,008.30 and 38,184,858.20

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Solution

The fourth proportional to 66,882,672.20, 100,324,008.30 and 38,184,858.20 is: 57,277,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,882,672.20 : 100,324,008.30 = 38,184,858.20 : x
  2. Step 2: Convert to fraction form
    66,882,672.20/100,324,008.30 = 38,184,858.20/x
  3. Step 3: Cross multiply
    66,882,672.20x = 100,324,008.30 × 38,184,858.20
  4. Step 4: Simplify right side
    66,882,672.20x = 3,830,858,030,991,123
  5. Step 5: Solve for x
    x = 3,830,858,030,991,123/66,882,672.20
  6. Step 6: Final answer
    x = 57,277,287.30

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Similar ratio
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1.5x scale

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.