Home / 194,157,072.10-291,235,608.15-121,597,660.90

Finding the Fourth Proportional to 194,157,072.10, 291,235,608.15 and 121,597,660.90

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Solution

The fourth proportional to 194,157,072.10, 291,235,608.15 and 121,597,660.90 is: 182,396,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,157,072.10 : 291,235,608.15 = 121,597,660.90 : x
  2. Step 2: Convert to fraction form
    194,157,072.10/291,235,608.15 = 121,597,660.90/x
  3. Step 3: Cross multiply
    194,157,072.10x = 291,235,608.15 × 121,597,660.90
  4. Step 4: Simplify right side
    194,157,072.10x = 35,413,568,721,828,976
  5. Step 5: Solve for x
    x = 35,413,568,721,828,976/194,157,072.10
  6. Step 6: Final answer
    x = 182,396,491.35

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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.