Home / 71,724,268.80-107,586,399.56-68,239,346.27

Finding the Fourth Proportional to 71,724,268.80, 107,586,399.56 and 68,239,346.27

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Solution

The fourth proportional to 71,724,268.80, 107,586,399.56 and 68,239,346.27 is: 102,359,015.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,724,268.80 : 107,586,399.56 = 68,239,346.27 : x
  2. Step 2: Convert to fraction form
    71,724,268.80/107,586,399.56 = 68,239,346.27/x
  3. Step 3: Cross multiply
    71,724,268.80x = 107,586,399.56 × 68,239,346.27
  4. Step 4: Simplify right side
    71,724,268.80x = 7,341,625,572,638,287
  5. Step 5: Solve for x
    x = 7,341,625,572,638,287/71,724,268.80
  6. Step 6: Final answer
    x = 102,359,015.93

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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.