Home / 168,381,520.20-252,832,095.90-91,854,016.20

Finding the Fourth Proportional to 168,381,520.20, 252,832,095.90 and 91,854,016.20

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Solution

The fourth proportional to 168,381,520.20, 252,832,095.90 and 91,854,016.20 is: 137,922,756.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,381,520.20 : 252,832,095.90 = 91,854,016.20 : x
  2. Step 2: Convert to fraction form
    168,381,520.20/252,832,095.90 = 91,854,016.20/x
  3. Step 3: Cross multiply
    168,381,520.20x = 252,832,095.90 × 91,854,016.20
  4. Step 4: Simplify right side
    168,381,520.20x = 23,223,643,432,678,556
  5. Step 5: Solve for x
    x = 23,223,643,432,678,556/168,381,520.20
  6. Step 6: Final answer
    x = 137,922,756.64

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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.