Home / 117,504,010.40-176,256,015.60-71,519,856.80

Finding the Fourth Proportional to 117,504,010.40, 176,256,015.60 and 71,519,856.80

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Solution

The fourth proportional to 117,504,010.40, 176,256,015.60 and 71,519,856.80 is: 107,279,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,504,010.40 : 176,256,015.60 = 71,519,856.80 : x
  2. Step 2: Convert to fraction form
    117,504,010.40/176,256,015.60 = 71,519,856.80/x
  3. Step 3: Cross multiply
    117,504,010.40x = 176,256,015.60 × 71,519,856.80
  4. Step 4: Simplify right side
    117,504,010.40x = 12,605,804,995,850,566
  5. Step 5: Solve for x
    x = 12,605,804,995,850,566/117,504,010.40
  6. Step 6: Final answer
    x = 107,279,785.20

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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.