Home / 83,382,218.22-115,000,366.74-73,302,164.51

Finding the Fourth Proportional to 83,382,218.22, 115,000,366.74 and 73,302,164.51

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Solution

The fourth proportional to 83,382,218.22, 115,000,366.74 and 73,302,164.51 is: 101,098,003.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,382,218.22 : 115,000,366.74 = 73,302,164.51 : x
  2. Step 2: Convert to fraction form
    83,382,218.22/115,000,366.74 = 73,302,164.51/x
  3. Step 3: Cross multiply
    83,382,218.22x = 115,000,366.74 × 73,302,164.51
  4. Step 4: Simplify right side
    83,382,218.22x = 8,429,775,800,910,810
  5. Step 5: Solve for x
    x = 8,429,775,800,910,810/83,382,218.22
  6. Step 6: Final answer
    x = 101,098,003.64

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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.