Home / 127,270,723.88-175,628,654.88-77,793,938.58

Finding the Fourth Proportional to 127,270,723.88, 175,628,654.88 and 77,793,938.58

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Solution

The fourth proportional to 127,270,723.88, 175,628,654.88 and 77,793,938.58 is: 107,352,613.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,270,723.88 : 175,628,654.88 = 77,793,938.58 : x
  2. Step 2: Convert to fraction form
    127,270,723.88/175,628,654.88 = 77,793,938.58/x
  3. Step 3: Cross multiply
    127,270,723.88x = 175,628,654.88 × 77,793,938.58
  4. Step 4: Simplify right side
    127,270,723.88x = 13,662,844,790,622,736
  5. Step 5: Solve for x
    x = 13,662,844,790,622,736/127,270,723.88
  6. Step 6: Final answer
    x = 107,352,613.19

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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.