Home / 168,400,917.80-252,601,376.70-166,133,436.20

Finding the Fourth Proportional to 168,400,917.80, 252,601,376.70 and 166,133,436.20

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Solution

The fourth proportional to 168,400,917.80, 252,601,376.70 and 166,133,436.20 is: 249,200,154.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,400,917.80 : 252,601,376.70 = 166,133,436.20 : x
  2. Step 2: Convert to fraction form
    168,400,917.80/252,601,376.70 = 166,133,436.20/x
  3. Step 3: Cross multiply
    168,400,917.80x = 252,601,376.70 × 166,133,436.20
  4. Step 4: Simplify right side
    168,400,917.80x = 41,965,534,700,021,608
  5. Step 5: Solve for x
    x = 41,965,534,700,021,608/168,400,917.80
  6. Step 6: Final answer
    x = 249,200,154.30

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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.