Home / 259,218,989.03-388,763,765.61-101,684,023.61

Finding the Fourth Proportional to 259,218,989.03, 388,763,765.61 and 101,684,023.61

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Solution

The fourth proportional to 259,218,989.03, 388,763,765.61 and 101,684,023.61 is: 152,500,648.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,218,989.03 : 388,763,765.61 = 101,684,023.61 : x
  2. Step 2: Convert to fraction form
    259,218,989.03/388,763,765.61 = 101,684,023.61/x
  3. Step 3: Cross multiply
    259,218,989.03x = 388,763,765.61 × 101,684,023.61
  4. Step 4: Simplify right side
    259,218,989.03x = 39,531,063,919,055,928
  5. Step 5: Solve for x
    x = 39,531,063,919,055,928/259,218,989.03
  6. Step 6: Final answer
    x = 152,500,648.46

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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.