Home / 171,680,413.40-257,520,620.10-164,984,256.80

Finding the Fourth Proportional to 171,680,413.40, 257,520,620.10 and 164,984,256.80

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Solution

The fourth proportional to 171,680,413.40, 257,520,620.10 and 164,984,256.80 is: 247,476,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,680,413.40 : 257,520,620.10 = 164,984,256.80 : x
  2. Step 2: Convert to fraction form
    171,680,413.40/257,520,620.10 = 164,984,256.80/x
  3. Step 3: Cross multiply
    171,680,413.40x = 257,520,620.10 × 164,984,256.80
  4. Step 4: Simplify right side
    171,680,413.40x = 42,486,848,117,873,640
  5. Step 5: Solve for x
    x = 42,486,848,117,873,640/171,680,413.40
  6. Step 6: Final answer
    x = 247,476,385.20

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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.