Home / 71,280,627.33-98,367,306.09-38,685,579.33

Finding the Fourth Proportional to 71,280,627.33, 98,367,306.09 and 38,685,579.33

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Solution

The fourth proportional to 71,280,627.33, 98,367,306.09 and 38,685,579.33 is: 53,386,121.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,280,627.33 : 98,367,306.09 = 38,685,579.33 : x
  2. Step 2: Convert to fraction form
    71,280,627.33/98,367,306.09 = 38,685,579.33/x
  3. Step 3: Cross multiply
    71,280,627.33x = 98,367,306.09 × 38,685,579.33
  4. Step 4: Simplify right side
    71,280,627.33x = 3,805,396,223,223,087
  5. Step 5: Solve for x
    x = 3,805,396,223,223,087/71,280,627.33
  6. Step 6: Final answer
    x = 53,386,121.39

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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.