Home / 147,690,506.80-221,535,760.20-71,163,002.80

Finding the Fourth Proportional to 147,690,506.80, 221,535,760.20 and 71,163,002.80

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Solution

The fourth proportional to 147,690,506.80, 221,535,760.20 and 71,163,002.80 is: 106,744,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,690,506.80 : 221,535,760.20 = 71,163,002.80 : x
  2. Step 2: Convert to fraction form
    147,690,506.80/221,535,760.20 = 71,163,002.80/x
  3. Step 3: Cross multiply
    147,690,506.80x = 221,535,760.20 × 71,163,002.80
  4. Step 4: Simplify right side
    147,690,506.80x = 15,765,149,923,412,728
  5. Step 5: Solve for x
    x = 15,765,149,923,412,728/147,690,506.80
  6. Step 6: Final answer
    x = 106,744,504.20

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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.