Home / 74,941,860.76-103,388,099.64-50,170,028.71

Finding the Fourth Proportional to 74,941,860.76, 103,388,099.64 and 50,170,028.71

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Solution

The fourth proportional to 74,941,860.76, 103,388,099.64 and 50,170,028.71 is: 69,213,439.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,941,860.76 : 103,388,099.64 = 50,170,028.71 : x
  2. Step 2: Convert to fraction form
    74,941,860.76/103,388,099.64 = 50,170,028.71/x
  3. Step 3: Cross multiply
    74,941,860.76x = 103,388,099.64 × 50,170,028.71
  4. Step 4: Simplify right side
    74,941,860.76x = 5,186,983,926,764,533
  5. Step 5: Solve for x
    x = 5,186,983,926,764,533/74,941,860.76
  6. Step 6: Final answer
    x = 69,213,439.25

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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.