Home / 80,851,997.80-121,277,996.70-23,350,081.60

Finding the Fourth Proportional to 80,851,997.80, 121,277,996.70 and 23,350,081.60

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Solution

The fourth proportional to 80,851,997.80, 121,277,996.70 and 23,350,081.60 is: 35,025,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,851,997.80 : 121,277,996.70 = 23,350,081.60 : x
  2. Step 2: Convert to fraction form
    80,851,997.80/121,277,996.70 = 23,350,081.60/x
  3. Step 3: Cross multiply
    80,851,997.80x = 121,277,996.70 × 23,350,081.60
  4. Step 4: Simplify right side
    80,851,997.80x = 2,831,851,119,229,531
  5. Step 5: Solve for x
    x = 2,831,851,119,229,531/80,851,997.80
  6. Step 6: Final answer
    x = 35,025,122.40

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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.