Home / 185,512,999.60-278,269,499.40-108,796,538.80

Finding the Fourth Proportional to 185,512,999.60, 278,269,499.40 and 108,796,538.80

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Solution

The fourth proportional to 185,512,999.60, 278,269,499.40 and 108,796,538.80 is: 163,194,808.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,512,999.60 : 278,269,499.40 = 108,796,538.80 : x
  2. Step 2: Convert to fraction form
    185,512,999.60/278,269,499.40 = 108,796,538.80/x
  3. Step 3: Cross multiply
    185,512,999.60x = 278,269,499.40 × 108,796,538.80
  4. Step 4: Simplify right side
    185,512,999.60x = 30,274,758,388,328,672
  5. Step 5: Solve for x
    x = 30,274,758,388,328,672/185,512,999.60
  6. Step 6: Final answer
    x = 163,194,808.20

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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.