Home / 91,517,334.36-137,770,767.90-83,372,323.08

Finding the Fourth Proportional to 91,517,334.36, 137,770,767.90 and 83,372,323.08

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Solution

The fourth proportional to 91,517,334.36, 137,770,767.90 and 83,372,323.08 is: 125,509,216.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,517,334.36 : 137,770,767.90 = 83,372,323.08 : x
  2. Step 2: Convert to fraction form
    91,517,334.36/137,770,767.90 = 83,372,323.08/x
  3. Step 3: Cross multiply
    91,517,334.36x = 137,770,767.90 × 83,372,323.08
  4. Step 4: Simplify right side
    91,517,334.36x = 11,486,268,972,338,494
  5. Step 5: Solve for x
    x = 11,486,268,972,338,494/91,517,334.36
  6. Step 6: Final answer
    x = 125,509,216.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.