Home / 117,542,601.40-176,313,902.10-85,042,031.80

Finding the Fourth Proportional to 117,542,601.40, 176,313,902.10 and 85,042,031.80

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Solution

The fourth proportional to 117,542,601.40, 176,313,902.10 and 85,042,031.80 is: 127,563,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,542,601.40 : 176,313,902.10 = 85,042,031.80 : x
  2. Step 2: Convert to fraction form
    117,542,601.40/176,313,902.10 = 85,042,031.80/x
  3. Step 3: Cross multiply
    117,542,601.40x = 176,313,902.10 × 85,042,031.80
  4. Step 4: Simplify right side
    117,542,601.40x = 14,994,092,469,170,286
  5. Step 5: Solve for x
    x = 14,994,092,469,170,286/117,542,601.40
  6. Step 6: Final answer
    x = 127,563,047.70

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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.