Home / 81,945,462.10-122,918,193.15-41,130,793.30

Finding the Fourth Proportional to 81,945,462.10, 122,918,193.15 and 41,130,793.30

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Solution

The fourth proportional to 81,945,462.10, 122,918,193.15 and 41,130,793.30 is: 61,696,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,945,462.10 : 122,918,193.15 = 41,130,793.30 : x
  2. Step 2: Convert to fraction form
    81,945,462.10/122,918,193.15 = 41,130,793.30/x
  3. Step 3: Cross multiply
    81,945,462.10x = 122,918,193.15 × 41,130,793.30
  4. Step 4: Simplify right side
    81,945,462.10x = 5,055,722,795,262,126
  5. Step 5: Solve for x
    x = 5,055,722,795,262,126/81,945,462.10
  6. Step 6: Final answer
    x = 61,696,189.95

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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.