Home / 117,419,908.20-176,129,862.30-31,171,626.60

Finding the Fourth Proportional to 117,419,908.20, 176,129,862.30 and 31,171,626.60

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Solution

The fourth proportional to 117,419,908.20, 176,129,862.30 and 31,171,626.60 is: 46,757,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,419,908.20 : 176,129,862.30 = 31,171,626.60 : x
  2. Step 2: Convert to fraction form
    117,419,908.20/176,129,862.30 = 31,171,626.60/x
  3. Step 3: Cross multiply
    117,419,908.20x = 176,129,862.30 × 31,171,626.60
  4. Step 4: Simplify right side
    117,419,908.20x = 5,490,254,300,725,018
  5. Step 5: Solve for x
    x = 5,490,254,300,725,018/117,419,908.20
  6. Step 6: Final answer
    x = 46,757,439.90

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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.