Home / 267,586,276.80-401,379,415.20-199,561,828.80

Finding the Fourth Proportional to 267,586,276.80, 401,379,415.20 and 199,561,828.80

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Solution

The fourth proportional to 267,586,276.80, 401,379,415.20 and 199,561,828.80 is: 299,342,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,586,276.80 : 401,379,415.20 = 199,561,828.80 : x
  2. Step 2: Convert to fraction form
    267,586,276.80/401,379,415.20 = 199,561,828.80/x
  3. Step 3: Cross multiply
    267,586,276.80x = 401,379,415.20 × 199,561,828.80
  4. Step 4: Simplify right side
    267,586,276.80x = 80,100,010,139,986,528
  5. Step 5: Solve for x
    x = 80,100,010,139,986,528/267,586,276.80
  6. Step 6: Final answer
    x = 299,342,743.20

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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.