Home / 221,434,008.30-332,151,012.45-209,596,160.03

Finding the Fourth Proportional to 221,434,008.30, 332,151,012.45 and 209,596,160.03

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Solution

The fourth proportional to 221,434,008.30, 332,151,012.45 and 209,596,160.03 is: 314,394,240.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,434,008.30 : 332,151,012.45 = 209,596,160.03 : x
  2. Step 2: Convert to fraction form
    221,434,008.30/332,151,012.45 = 209,596,160.03/x
  3. Step 3: Cross multiply
    221,434,008.30x = 332,151,012.45 × 209,596,160.03
  4. Step 4: Simplify right side
    221,434,008.30x = 69,617,576,757,935,968
  5. Step 5: Solve for x
    x = 69,617,576,757,935,968/221,434,008.30
  6. Step 6: Final answer
    x = 314,394,240.04

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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.