Home / 84,418,999.32-116,498,167.74-45,787,831.32

Finding the Fourth Proportional to 84,418,999.32, 116,498,167.74 and 45,787,831.32

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Solution

The fourth proportional to 84,418,999.32, 116,498,167.74 and 45,787,831.32 is: 63,187,179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,418,999.32 : 116,498,167.74 = 45,787,831.32 : x
  2. Step 2: Convert to fraction form
    84,418,999.32/116,498,167.74 = 45,787,831.32/x
  3. Step 3: Cross multiply
    84,418,999.32x = 116,498,167.74 × 45,787,831.32
  4. Step 4: Simplify right side
    84,418,999.32x = 5,334,198,453,568,185
  5. Step 5: Solve for x
    x = 5,334,198,453,568,185/84,418,999.32
  6. Step 6: Final answer
    x = 63,187,179.39

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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.