Home / 171,680,288.40-257,520,432.60-164,984,131.80

Finding the Fourth Proportional to 171,680,288.40, 257,520,432.60 and 164,984,131.80

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Solution

The fourth proportional to 171,680,288.40, 257,520,432.60 and 164,984,131.80 is: 247,476,197.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,680,288.40 : 257,520,432.60 = 164,984,131.80 : x
  2. Step 2: Convert to fraction form
    171,680,288.40/257,520,432.60 = 164,984,131.80/x
  3. Step 3: Cross multiply
    171,680,288.40x = 257,520,432.60 × 164,984,131.80
  4. Step 4: Simplify right side
    171,680,288.40x = 42,486,784,993,271,416
  5. Step 5: Solve for x
    x = 42,486,784,993,271,416/171,680,288.40
  6. Step 6: Final answer
    x = 247,476,197.70

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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.