Home / 220,409,875.20-330,614,812.80-193,536,019.20

Finding the Fourth Proportional to 220,409,875.20, 330,614,812.80 and 193,536,019.20

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Solution

The fourth proportional to 220,409,875.20, 330,614,812.80 and 193,536,019.20 is: 290,304,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,409,875.20 : 330,614,812.80 = 193,536,019.20 : x
  2. Step 2: Convert to fraction form
    220,409,875.20/330,614,812.80 = 193,536,019.20/x
  3. Step 3: Cross multiply
    220,409,875.20x = 330,614,812.80 × 193,536,019.20
  4. Step 4: Simplify right side
    220,409,875.20x = 63,985,874,757,865,208
  5. Step 5: Solve for x
    x = 63,985,874,757,865,208/220,409,875.20
  6. Step 6: Final answer
    x = 290,304,028.80

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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.