Home / 91,330,617.25-126,054,561.90-54,181,517.65

Finding the Fourth Proportional to 91,330,617.25, 126,054,561.90 and 54,181,517.65

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Solution

The fourth proportional to 91,330,617.25, 126,054,561.90 and 54,181,517.65 is: 74,781,356.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,330,617.25 : 126,054,561.90 = 54,181,517.65 : x
  2. Step 2: Convert to fraction form
    91,330,617.25/126,054,561.90 = 54,181,517.65/x
  3. Step 3: Cross multiply
    91,330,617.25x = 126,054,561.90 × 54,181,517.65
  4. Step 4: Simplify right side
    91,330,617.25x = 6,829,827,470,447,868
  5. Step 5: Solve for x
    x = 6,829,827,470,447,868/91,330,617.25
  6. Step 6: Final answer
    x = 74,781,356.75

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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.