Home / 72,870,042.71-109,324,207.62-26,188,241.58

Finding the Fourth Proportional to 72,870,042.71, 109,324,207.62 and 26,188,241.58

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Solution

The fourth proportional to 72,870,042.71, 109,324,207.62 and 26,188,241.58 is: 39,289,242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,870,042.71 : 109,324,207.62 = 26,188,241.58 : x
  2. Step 2: Convert to fraction form
    72,870,042.71/109,324,207.62 = 26,188,241.58/x
  3. Step 3: Cross multiply
    72,870,042.71x = 109,324,207.62 × 26,188,241.58
  4. Step 4: Simplify right side
    72,870,042.71x = 2,863,008,759,694,637
  5. Step 5: Solve for x
    x = 2,863,008,759,694,637/72,870,042.71
  6. Step 6: Final answer
    x = 39,289,242.23

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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.