Home / 83,402,721.60-115,027,509.74-58,704,668.16

Finding the Fourth Proportional to 83,402,721.60, 115,027,509.74 and 58,704,668.16

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Solution

The fourth proportional to 83,402,721.60, 115,027,509.74 and 58,704,668.16 is: 80,964,405.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,402,721.60 : 115,027,509.74 = 58,704,668.16 : x
  2. Step 2: Convert to fraction form
    83,402,721.60/115,027,509.74 = 58,704,668.16/x
  3. Step 3: Cross multiply
    83,402,721.60x = 115,027,509.74 × 58,704,668.16
  4. Step 4: Simplify right side
    83,402,721.60x = 6,752,651,788,557,867
  5. Step 5: Solve for x
    x = 6,752,651,788,557,867/83,402,721.60
  6. Step 6: Final answer
    x = 80,964,405.71

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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.