Home / 76,512,834.40-114,769,251.60-73,536,764.80

Finding the Fourth Proportional to 76,512,834.40, 114,769,251.60 and 73,536,764.80

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Solution

The fourth proportional to 76,512,834.40, 114,769,251.60 and 73,536,764.80 is: 110,305,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,512,834.40 : 114,769,251.60 = 73,536,764.80 : x
  2. Step 2: Convert to fraction form
    76,512,834.40/114,769,251.60 = 73,536,764.80/x
  3. Step 3: Cross multiply
    76,512,834.40x = 114,769,251.60 × 73,536,764.80
  4. Step 4: Simplify right side
    76,512,834.40x = 8,439,759,461,181,223
  5. Step 5: Solve for x
    x = 8,439,759,461,181,223/76,512,834.40
  6. Step 6: Final answer
    x = 110,305,147.20

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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.