Home / 117,753,936.57-162,500,440.28-65,541,851.73

Finding the Fourth Proportional to 117,753,936.57, 162,500,440.28 and 65,541,851.73

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Solution

The fourth proportional to 117,753,936.57, 162,500,440.28 and 65,541,851.73 is: 90,447,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,753,936.57 : 162,500,440.28 = 65,541,851.73 : x
  2. Step 2: Convert to fraction form
    117,753,936.57/162,500,440.28 = 65,541,851.73/x
  3. Step 3: Cross multiply
    117,753,936.57x = 162,500,440.28 × 65,541,851.73
  4. Step 4: Simplify right side
    117,753,936.57x = 10,650,579,762,563,770
  5. Step 5: Solve for x
    x = 10,650,579,762,563,770/117,753,936.57
  6. Step 6: Final answer
    x = 90,447,759.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.