Home / 107,887,615.20-161,831,422.80-88,739,992.80

Finding the Fourth Proportional to 107,887,615.20, 161,831,422.80 and 88,739,992.80

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Solution

The fourth proportional to 107,887,615.20, 161,831,422.80 and 88,739,992.80 is: 133,109,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,887,615.20 : 161,831,422.80 = 88,739,992.80 : x
  2. Step 2: Convert to fraction form
    107,887,615.20/161,831,422.80 = 88,739,992.80/x
  3. Step 3: Cross multiply
    107,887,615.20x = 161,831,422.80 × 88,739,992.80
  4. Step 4: Simplify right side
    107,887,615.20x = 14,360,919,294,085,756
  5. Step 5: Solve for x
    x = 14,360,919,294,085,756/107,887,615.20
  6. Step 6: Final answer
    x = 133,109,989.20

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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.