Home / 168,400,918.80-252,601,378.20-166,133,437.20

Finding the Fourth Proportional to 168,400,918.80, 252,601,378.20 and 166,133,437.20

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Solution

The fourth proportional to 168,400,918.80, 252,601,378.20 and 166,133,437.20 is: 249,200,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,400,918.80 : 252,601,378.20 = 166,133,437.20 : x
  2. Step 2: Convert to fraction form
    168,400,918.80/252,601,378.20 = 166,133,437.20/x
  3. Step 3: Cross multiply
    168,400,918.80x = 252,601,378.20 × 166,133,437.20
  4. Step 4: Simplify right side
    168,400,918.80x = 41,965,535,201,823,144
  5. Step 5: Solve for x
    x = 41,965,535,201,823,144/168,400,918.80
  6. Step 6: Final answer
    x = 249,200,155.80

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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.