Home / 203,472,542.40-305,208,813.60-195,536,356.80

Finding the Fourth Proportional to 203,472,542.40, 305,208,813.60 and 195,536,356.80

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Solution

The fourth proportional to 203,472,542.40, 305,208,813.60 and 195,536,356.80 is: 293,304,535.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,472,542.40 : 305,208,813.60 = 195,536,356.80 : x
  2. Step 2: Convert to fraction form
    203,472,542.40/305,208,813.60 = 195,536,356.80/x
  3. Step 3: Cross multiply
    203,472,542.40x = 305,208,813.60 × 195,536,356.80
  4. Step 4: Simplify right side
    203,472,542.40x = 59,679,419,474,594,304
  5. Step 5: Solve for x
    x = 59,679,419,474,594,304/203,472,542.40
  6. Step 6: Final answer
    x = 293,304,535.20

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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.