Home / 74,941,860-103,388,098.62-50,170,027.95

Finding the Fourth Proportional to 74,941,860, 103,388,098.62 and 50,170,027.95

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Solution

The fourth proportional to 74,941,860, 103,388,098.62 and 50,170,027.95 is: 69,213,438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,941,860 : 103,388,098.62 = 50,170,027.95 : x
  2. Step 2: Convert to fraction form
    74,941,860/103,388,098.62 = 50,170,027.95/x
  3. Step 3: Cross multiply
    74,941,860x = 103,388,098.62 × 50,170,027.95
  4. Step 4: Simplify right side
    74,941,860x = 5,186,983,797,462,757
  5. Step 5: Solve for x
    x = 5,186,983,797,462,757/74,941,860
  6. Step 6: Final answer
    x = 69,213,438.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.