Home / 85,181,772.80-127,772,659.20-23,770,812.80

Finding the Fourth Proportional to 85,181,772.80, 127,772,659.20 and 23,770,812.80

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Solution

The fourth proportional to 85,181,772.80, 127,772,659.20 and 23,770,812.80 is: 35,656,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,181,772.80 : 127,772,659.20 = 23,770,812.80 : x
  2. Step 2: Convert to fraction form
    85,181,772.80/127,772,659.20 = 23,770,812.80/x
  3. Step 3: Cross multiply
    85,181,772.80x = 127,772,659.20 × 23,770,812.80
  4. Step 4: Simplify right side
    85,181,772.80x = 3,037,259,962,801,398
  5. Step 5: Solve for x
    x = 3,037,259,962,801,398/85,181,772.80
  6. Step 6: Final answer
    x = 35,656,219.20

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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.