Home / 191,568,672.80-287,353,009.20-114,978,183.20

Finding the Fourth Proportional to 191,568,672.80, 287,353,009.20 and 114,978,183.20

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Solution

The fourth proportional to 191,568,672.80, 287,353,009.20 and 114,978,183.20 is: 172,467,274.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,568,672.80 : 287,353,009.20 = 114,978,183.20 : x
  2. Step 2: Convert to fraction form
    191,568,672.80/287,353,009.20 = 114,978,183.20/x
  3. Step 3: Cross multiply
    191,568,672.80x = 287,353,009.20 × 114,978,183.20
  4. Step 4: Simplify right side
    191,568,672.80x = 33,039,326,934,868,884
  5. Step 5: Solve for x
    x = 33,039,326,934,868,884/191,568,672.80
  6. Step 6: Final answer
    x = 172,467,274.80

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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.