Home / 91,330,619.25-126,054,564.66-54,181,519.65

Finding the Fourth Proportional to 91,330,619.25, 126,054,564.66 and 54,181,519.65

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Solution

The fourth proportional to 91,330,619.25, 126,054,564.66 and 54,181,519.65 is: 74,781,359.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,330,619.25 : 126,054,564.66 = 54,181,519.65 : x
  2. Step 2: Convert to fraction form
    91,330,619.25/126,054,564.66 = 54,181,519.65/x
  3. Step 3: Cross multiply
    91,330,619.25x = 126,054,564.66 × 54,181,519.65
  4. Step 4: Simplify right side
    91,330,619.25x = 6,829,827,872,097,985
  5. Step 5: Solve for x
    x = 6,829,827,872,097,985/91,330,619.25
  6. Step 6: Final answer
    x = 74,781,359.51

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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.