Home / 91,449,015.44-126,199,766.16-49,633,081.32

Finding the Fourth Proportional to 91,449,015.44, 126,199,766.16 and 49,633,081.32

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Solution

The fourth proportional to 91,449,015.44, 126,199,766.16 and 49,633,081.32 is: 68,493,719.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,449,015.44 : 126,199,766.16 = 49,633,081.32 : x
  2. Step 2: Convert to fraction form
    91,449,015.44/126,199,766.16 = 49,633,081.32/x
  3. Step 3: Cross multiply
    91,449,015.44x = 126,199,766.16 × 49,633,081.32
  4. Step 4: Simplify right side
    91,449,015.44x = 6,263,683,256,384,264
  5. Step 5: Solve for x
    x = 6,263,683,256,384,264/91,449,015.44
  6. Step 6: Final answer
    x = 68,493,719.98

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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.