Home / 123,702,357.48-170,712,200.42-67,948,945.62

Finding the Fourth Proportional to 123,702,357.48, 170,712,200.42 and 67,948,945.62

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Solution

The fourth proportional to 123,702,357.48, 170,712,200.42 and 67,948,945.62 is: 93,771,163.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,702,357.48 : 170,712,200.42 = 67,948,945.62 : x
  2. Step 2: Convert to fraction form
    123,702,357.48/170,712,200.42 = 67,948,945.62/x
  3. Step 3: Cross multiply
    123,702,357.48x = 170,712,200.42 × 67,948,945.62
  4. Step 4: Simplify right side
    123,702,357.48x = 11,599,714,022,669,376
  5. Step 5: Solve for x
    x = 11,599,714,022,669,376/123,702,357.48
  6. Step 6: Final answer
    x = 93,771,163.78

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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.