Home / 221,336,984.98-332,120,380.06-90,275,413.64

Finding the Fourth Proportional to 221,336,984.98, 332,120,380.06 and 90,275,413.64

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Solution

The fourth proportional to 221,336,984.98, 332,120,380.06 and 90,275,413.64 is: 135,459,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,336,984.98 : 332,120,380.06 = 90,275,413.64 : x
  2. Step 2: Convert to fraction form
    221,336,984.98/332,120,380.06 = 90,275,413.64/x
  3. Step 3: Cross multiply
    221,336,984.98x = 332,120,380.06 × 90,275,413.64
  4. Step 4: Simplify right side
    221,336,984.98x = 29,982,304,688,190,508
  5. Step 5: Solve for x
    x = 29,982,304,688,190,508/221,336,984.98
  6. Step 6: Final answer
    x = 135,459,985.10

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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.