Home / 50,090,986.30-75,135,409.75-13,699,376.78

Finding the Fourth Proportional to 50,090,986.30, 75,135,409.75 and 13,699,376.78

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Solution

The fourth proportional to 50,090,986.30, 75,135,409.75 and 13,699,376.78 is: 20,548,772.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,090,986.30 : 75,135,409.75 = 13,699,376.78 : x
  2. Step 2: Convert to fraction form
    50,090,986.30/75,135,409.75 = 13,699,376.78/x
  3. Step 3: Cross multiply
    50,090,986.30x = 75,135,409.75 × 13,699,376.78
  4. Step 4: Simplify right side
    50,090,986.30x = 1,029,308,287,684,935.50
  5. Step 5: Solve for x
    x = 1,029,308,287,684,935.50/50,090,986.30
  6. Step 6: Final answer
    x = 20,548,772.62

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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.