Home / 72,149,275.38-108,222,336.54-17,562,149.04

Finding the Fourth Proportional to 72,149,275.38, 108,222,336.54 and 17,562,149.04

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Solution

The fourth proportional to 72,149,275.38, 108,222,336.54 and 17,562,149.04 is: 26,342,839.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,149,275.38 : 108,222,336.54 = 17,562,149.04 : x
  2. Step 2: Convert to fraction form
    72,149,275.38/108,222,336.54 = 17,562,149.04/x
  3. Step 3: Cross multiply
    72,149,275.38x = 108,222,336.54 × 17,562,149.04
  4. Step 4: Simplify right side
    72,149,275.38x = 1,900,616,803,772,518
  5. Step 5: Solve for x
    x = 1,900,616,803,772,518/72,149,275.38
  6. Step 6: Final answer
    x = 26,342,839.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.