Home / 203,472,578.40-305,208,867.60-195,536,392.80

Finding the Fourth Proportional to 203,472,578.40, 305,208,867.60 and 195,536,392.80

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Solution

The fourth proportional to 203,472,578.40, 305,208,867.60 and 195,536,392.80 is: 293,304,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,472,578.40 : 305,208,867.60 = 195,536,392.80 : x
  2. Step 2: Convert to fraction form
    203,472,578.40/305,208,867.60 = 195,536,392.80/x
  3. Step 3: Cross multiply
    203,472,578.40x = 305,208,867.60 × 195,536,392.80
  4. Step 4: Simplify right side
    203,472,578.40x = 59,679,441,021,076,800
  5. Step 5: Solve for x
    x = 59,679,441,021,076,800/203,472,578.40
  6. Step 6: Final answer
    x = 293,304,589.20

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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.