Home / 85,050,232.60-127,575,348.90-80,571,256.60

Finding the Fourth Proportional to 85,050,232.60, 127,575,348.90 and 80,571,256.60

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Solution

The fourth proportional to 85,050,232.60, 127,575,348.90 and 80,571,256.60 is: 120,856,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,050,232.60 : 127,575,348.90 = 80,571,256.60 : x
  2. Step 2: Convert to fraction form
    85,050,232.60/127,575,348.90 = 80,571,256.60/x
  3. Step 3: Cross multiply
    85,050,232.60x = 127,575,348.90 × 80,571,256.60
  4. Step 4: Simplify right side
    85,050,232.60x = 10,278,906,172,056,428
  5. Step 5: Solve for x
    x = 10,278,906,172,056,428/85,050,232.60
  6. Step 6: Final answer
    x = 120,856,884.90

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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.