Home / 91,229,195.70-136,845,193.23-30,645,446.58

Finding the Fourth Proportional to 91,229,195.70, 136,845,193.23 and 30,645,446.58

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Solution

The fourth proportional to 91,229,195.70, 136,845,193.23 and 30,645,446.58 is: 45,968,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,229,195.70 : 136,845,193.23 = 30,645,446.58 : x
  2. Step 2: Convert to fraction form
    91,229,195.70/136,845,193.23 = 30,645,446.58/x
  3. Step 3: Cross multiply
    91,229,195.70x = 136,845,193.23 × 30,645,446.58
  4. Step 4: Simplify right side
    91,229,195.70x = 4,193,682,058,859,742
  5. Step 5: Solve for x
    x = 4,193,682,058,859,742/91,229,195.70
  6. Step 6: Final answer
    x = 45,968,640.05

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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.