Home / 79,291,286.33-118,936,929.49-73,910,446.20

Finding the Fourth Proportional to 79,291,286.33, 118,936,929.49 and 73,910,446.20

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Solution

The fourth proportional to 79,291,286.33, 118,936,929.49 and 73,910,446.20 is: 110,865,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,291,286.33 : 118,936,929.49 = 73,910,446.20 : x
  2. Step 2: Convert to fraction form
    79,291,286.33/118,936,929.49 = 73,910,446.20/x
  3. Step 3: Cross multiply
    79,291,286.33x = 118,936,929.49 × 73,910,446.20
  4. Step 4: Simplify right side
    79,291,286.33x = 8,790,681,528,079,062
  5. Step 5: Solve for x
    x = 8,790,681,528,079,062/79,291,286.33
  6. Step 6: Final answer
    x = 110,865,669.30

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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.