Home / 172,656,120.40-258,984,180.60-171,648,350.80

Finding the Fourth Proportional to 172,656,120.40, 258,984,180.60 and 171,648,350.80

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Solution

The fourth proportional to 172,656,120.40, 258,984,180.60 and 171,648,350.80 is: 257,472,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,656,120.40 : 258,984,180.60 = 171,648,350.80 : x
  2. Step 2: Convert to fraction form
    172,656,120.40/258,984,180.60 = 171,648,350.80/x
  3. Step 3: Cross multiply
    172,656,120.40x = 258,984,180.60 × 171,648,350.80
  4. Step 4: Simplify right side
    172,656,120.40x = 44,454,207,483,279,360
  5. Step 5: Solve for x
    x = 44,454,207,483,279,360/172,656,120.40
  6. Step 6: Final answer
    x = 257,472,526.20

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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.