Home / 54,542,491.83-81,826,728.39-20,464,132.95

Finding the Fourth Proportional to 54,542,491.83, 81,826,728.39 and 20,464,132.95

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Solution

The fourth proportional to 54,542,491.83, 81,826,728.39 and 20,464,132.95 is: 30,701,073.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,542,491.83 : 81,826,728.39 = 20,464,132.95 : x
  2. Step 2: Convert to fraction form
    54,542,491.83/81,826,728.39 = 20,464,132.95/x
  3. Step 3: Cross multiply
    54,542,491.83x = 81,826,728.39 × 20,464,132.95
  4. Step 4: Simplify right side
    54,542,491.83x = 1,674,513,048,636,499.50
  5. Step 5: Solve for x
    x = 1,674,513,048,636,499.50/54,542,491.83
  6. Step 6: Final answer
    x = 30,701,073.46

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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.