Home / 200,022,001.20-299,561,142.60-123,580,810.80

Finding the Fourth Proportional to 200,022,001.20, 299,561,142.60 and 123,580,810.80

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Solution

The fourth proportional to 200,022,001.20, 299,561,142.60 and 123,580,810.80 is: 185,079,684.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,022,001.20 : 299,561,142.60 = 123,580,810.80 : x
  2. Step 2: Convert to fraction form
    200,022,001.20/299,561,142.60 = 123,580,810.80/x
  3. Step 3: Cross multiply
    200,022,001.20x = 299,561,142.60 × 123,580,810.80
  4. Step 4: Simplify right side
    200,022,001.20x = 37,020,008,886,682,424
  5. Step 5: Solve for x
    x = 37,020,008,886,682,424/200,022,001.20
  6. Step 6: Final answer
    x = 185,079,684.56

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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.