Home / 199,818,008.74-299,747,570.73-75,425,415.24

Finding the Fourth Proportional to 199,818,008.74, 299,747,570.73 and 75,425,415.24

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Solution

The fourth proportional to 199,818,008.74, 299,747,570.73 and 75,425,415.24 is: 113,145,882.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,818,008.74 : 299,747,570.73 = 75,425,415.24 : x
  2. Step 2: Convert to fraction form
    199,818,008.74/299,747,570.73 = 75,425,415.24/x
  3. Step 3: Cross multiply
    199,818,008.74x = 299,747,570.73 × 75,425,415.24
  4. Step 4: Simplify right side
    199,818,008.74x = 22,608,584,989,491,520
  5. Step 5: Solve for x
    x = 22,608,584,989,491,520/199,818,008.74
  6. Step 6: Final answer
    x = 113,145,882.76

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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.