Home / 65,203,414.60-97,805,121.90-31,191,190.60

Finding the Fourth Proportional to 65,203,414.60, 97,805,121.90 and 31,191,190.60

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Solution

The fourth proportional to 65,203,414.60, 97,805,121.90 and 31,191,190.60 is: 46,786,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,203,414.60 : 97,805,121.90 = 31,191,190.60 : x
  2. Step 2: Convert to fraction form
    65,203,414.60/97,805,121.90 = 31,191,190.60/x
  3. Step 3: Cross multiply
    65,203,414.60x = 97,805,121.90 × 31,191,190.60
  4. Step 4: Simplify right side
    65,203,414.60x = 3,050,658,198,839,134.50
  5. Step 5: Solve for x
    x = 3,050,658,198,839,134.50/65,203,414.60
  6. Step 6: Final answer
    x = 46,786,785.90

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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.