Home / 69,466,511.42-104,188,585.78-20,270,814.11

Finding the Fourth Proportional to 69,466,511.42, 104,188,585.78 and 20,270,814.11

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Solution

The fourth proportional to 69,466,511.42, 104,188,585.78 and 20,270,814.11 is: 30,402,958.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,466,511.42 : 104,188,585.78 = 20,270,814.11 : x
  2. Step 2: Convert to fraction form
    69,466,511.42/104,188,585.78 = 20,270,814.11/x
  3. Step 3: Cross multiply
    69,466,511.42x = 104,188,585.78 × 20,270,814.11
  4. Step 4: Simplify right side
    69,466,511.42x = 2,111,987,454,275,228.75
  5. Step 5: Solve for x
    x = 2,111,987,454,275,228.75/69,466,511.42
  6. Step 6: Final answer
    x = 30,402,958.36

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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.