Home / 195,266,408.28-269,449,831.80-115,867,785.52

Finding the Fourth Proportional to 195,266,408.28, 269,449,831.80 and 115,867,785.52

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Solution

The fourth proportional to 195,266,408.28, 269,449,831.80 and 115,867,785.52 is: 159,886,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,266,408.28 : 269,449,831.80 = 115,867,785.52 : x
  2. Step 2: Convert to fraction form
    195,266,408.28/269,449,831.80 = 115,867,785.52/x
  3. Step 3: Cross multiply
    195,266,408.28x = 269,449,831.80 × 115,867,785.52
  4. Step 4: Simplify right side
    195,266,408.28x = 31,220,555,319,402,476
  5. Step 5: Solve for x
    x = 31,220,555,319,402,476/195,266,408.28
  6. Step 6: Final answer
    x = 159,886,974.90

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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.