Home / 168,400,920.30-252,601,380.45-166,133,438.70

Finding the Fourth Proportional to 168,400,920.30, 252,601,380.45 and 166,133,438.70

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Solution

The fourth proportional to 168,400,920.30, 252,601,380.45 and 166,133,438.70 is: 249,200,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,400,920.30 : 252,601,380.45 = 166,133,438.70 : x
  2. Step 2: Convert to fraction form
    168,400,920.30/252,601,380.45 = 166,133,438.70/x
  3. Step 3: Cross multiply
    168,400,920.30x = 252,601,380.45 × 166,133,438.70
  4. Step 4: Simplify right side
    168,400,920.30x = 41,965,535,954,525,448
  5. Step 5: Solve for x
    x = 41,965,535,954,525,448/168,400,920.30
  6. Step 6: Final answer
    x = 249,200,158.05

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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.