Home / 221,107,945.16-330,981,673.26-144,265,513.16

Finding the Fourth Proportional to 221,107,945.16, 330,981,673.26 and 144,265,513.16

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Solution

The fourth proportional to 221,107,945.16, 330,981,673.26 and 144,265,513.16 is: 215,954,433.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,107,945.16 : 330,981,673.26 = 144,265,513.16 : x
  2. Step 2: Convert to fraction form
    221,107,945.16/330,981,673.26 = 144,265,513.16/x
  3. Step 3: Cross multiply
    221,107,945.16x = 330,981,673.26 × 144,265,513.16
  4. Step 4: Simplify right side
    221,107,945.16x = 47,749,240,939,409,344
  5. Step 5: Solve for x
    x = 47,749,240,939,409,344/221,107,945.16
  6. Step 6: Final answer
    x = 215,954,433.05

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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.