Home / 54,615,220.92-81,934,794-20,536,566.66

Finding the Fourth Proportional to 54,615,220.92, 81,934,794 and 20,536,566.66

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Solution

The fourth proportional to 54,615,220.92, 81,934,794 and 20,536,566.66 is: 30,809,348.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,615,220.92 : 81,934,794 = 20,536,566.66 : x
  2. Step 2: Convert to fraction form
    54,615,220.92/81,934,794 = 20,536,566.66/x
  3. Step 3: Cross multiply
    54,615,220.92x = 81,934,794 × 20,536,566.66
  4. Step 4: Simplify right side
    54,615,220.92x = 1,682,659,358,754,368
  5. Step 5: Solve for x
    x = 1,682,659,358,754,368/54,615,220.92
  6. Step 6: Final answer
    x = 30,809,348.21

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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.