Home / 221,336,984.48-332,120,379.31-90,275,413.14

Finding the Fourth Proportional to 221,336,984.48, 332,120,379.31 and 90,275,413.14

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Solution

The fourth proportional to 221,336,984.48, 332,120,379.31 and 90,275,413.14 is: 135,459,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,336,984.48 : 332,120,379.31 = 90,275,413.14 : x
  2. Step 2: Convert to fraction form
    221,336,984.48/332,120,379.31 = 90,275,413.14/x
  3. Step 3: Cross multiply
    221,336,984.48x = 332,120,379.31 × 90,275,413.14
  4. Step 4: Simplify right side
    221,336,984.48x = 29,982,304,454,423,760
  5. Step 5: Solve for x
    x = 29,982,304,454,423,760/221,336,984.48
  6. Step 6: Final answer
    x = 135,459,984.35

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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.