Home / 69,414,615.09-104,100,952.95-20,879,581.14

Finding the Fourth Proportional to 69,414,615.09, 104,100,952.95 and 20,879,581.14

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Solution

The fourth proportional to 69,414,615.09, 104,100,952.95 and 20,879,581.14 is: 31,313,064.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,414,615.09 : 104,100,952.95 = 20,879,581.14 : x
  2. Step 2: Convert to fraction form
    69,414,615.09/104,100,952.95 = 20,879,581.14/x
  3. Step 3: Cross multiply
    69,414,615.09x = 104,100,952.95 × 20,879,581.14
  4. Step 4: Simplify right side
    69,414,615.09x = 2,173,584,293,870,847.50
  5. Step 5: Solve for x
    x = 2,173,584,293,870,847.50/69,414,615.09
  6. Step 6: Final answer
    x = 31,313,064.13

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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.