Home / 199,025,999.60-298,538,999.40-112,932,557.60

Finding the Fourth Proportional to 199,025,999.60, 298,538,999.40 and 112,932,557.60

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Solution

The fourth proportional to 199,025,999.60, 298,538,999.40 and 112,932,557.60 is: 169,398,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,025,999.60 : 298,538,999.40 = 112,932,557.60 : x
  2. Step 2: Convert to fraction form
    199,025,999.60/298,538,999.40 = 112,932,557.60/x
  3. Step 3: Cross multiply
    199,025,999.60x = 298,538,999.40 × 112,932,557.60
  4. Step 4: Simplify right side
    199,025,999.60x = 33,714,772,745,586,860
  5. Step 5: Solve for x
    x = 33,714,772,745,586,860/199,025,999.60
  6. Step 6: Final answer
    x = 169,398,836.40

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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.