Home / 74,941,961.63-103,388,238.68-50,170,128.53

Finding the Fourth Proportional to 74,941,961.63, 103,388,238.68 and 50,170,128.53

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Solution

The fourth proportional to 74,941,961.63, 103,388,238.68 and 50,170,128.53 is: 69,213,576.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,941,961.63 : 103,388,238.68 = 50,170,128.53 : x
  2. Step 2: Convert to fraction form
    74,941,961.63/103,388,238.68 = 50,170,128.53/x
  3. Step 3: Cross multiply
    74,941,961.63x = 103,388,238.68 × 50,170,128.53
  4. Step 4: Simplify right side
    74,941,961.63x = 5,187,001,222,298,125
  5. Step 5: Solve for x
    x = 5,187,001,222,298,125/74,941,961.63
  6. Step 6: Final answer
    x = 69,213,576.88

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