Home / 85,037,884.80-127,575,489.60-27,532,809.60

Finding the Fourth Proportional to 85,037,884.80, 127,575,489.60 and 27,532,809.60

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Solution

The fourth proportional to 85,037,884.80, 127,575,489.60 and 27,532,809.60 is: 41,305,256.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,037,884.80 : 127,575,489.60 = 27,532,809.60 : x
  2. Step 2: Convert to fraction form
    85,037,884.80/127,575,489.60 = 27,532,809.60/x
  3. Step 3: Cross multiply
    85,037,884.80x = 127,575,489.60 × 27,532,809.60
  4. Step 4: Simplify right side
    85,037,884.80x = 3,512,511,664,783,580
  5. Step 5: Solve for x
    x = 3,512,511,664,783,580/85,037,884.80
  6. Step 6: Final answer
    x = 41,305,256.75

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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.