Home / 172,310,769.60-258,466,154.40-123,937,828.80

Finding the Fourth Proportional to 172,310,769.60, 258,466,154.40 and 123,937,828.80

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Solution

The fourth proportional to 172,310,769.60, 258,466,154.40 and 123,937,828.80 is: 185,906,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,310,769.60 : 258,466,154.40 = 123,937,828.80 : x
  2. Step 2: Convert to fraction form
    172,310,769.60/258,466,154.40 = 123,937,828.80/x
  3. Step 3: Cross multiply
    172,310,769.60x = 258,466,154.40 × 123,937,828.80
  4. Step 4: Simplify right side
    172,310,769.60x = 32,033,733,994,621,568
  5. Step 5: Solve for x
    x = 32,033,733,994,621,568/172,310,769.60
  6. Step 6: Final answer
    x = 185,906,743.20

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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.