Home / 108,923,608.80-163,385,413.20-100,609,509.60

Finding the Fourth Proportional to 108,923,608.80, 163,385,413.20 and 100,609,509.60

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Solution

The fourth proportional to 108,923,608.80, 163,385,413.20 and 100,609,509.60 is: 150,914,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,923,608.80 : 163,385,413.20 = 100,609,509.60 : x
  2. Step 2: Convert to fraction form
    108,923,608.80/163,385,413.20 = 100,609,509.60/x
  3. Step 3: Cross multiply
    108,923,608.80x = 163,385,413.20 × 100,609,509.60
  4. Step 4: Simplify right side
    108,923,608.80x = 16,438,126,297,845,364
  5. Step 5: Solve for x
    x = 16,438,126,297,845,364/108,923,608.80
  6. Step 6: Final answer
    x = 150,914,264.40

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1.5x scale

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.