Home / 172,594,019.20-258,990,561.60-64,965,884.80

Finding the Fourth Proportional to 172,594,019.20, 258,990,561.60 and 64,965,884.80

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Solution

The fourth proportional to 172,594,019.20, 258,990,561.60 and 64,965,884.80 is: 97,486,292.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,594,019.20 : 258,990,561.60 = 64,965,884.80 : x
  2. Step 2: Convert to fraction form
    172,594,019.20/258,990,561.60 = 64,965,884.80/x
  3. Step 3: Cross multiply
    172,594,019.20x = 258,990,561.60 × 64,965,884.80
  4. Step 4: Simplify right side
    172,594,019.20x = 16,825,550,989,192,902
  5. Step 5: Solve for x
    x = 16,825,550,989,192,902/172,594,019.20
  6. Step 6: Final answer
    x = 97,486,292.21

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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.