Home / 243,166,963.20-335,560,331.52-133,156,780.80

Finding the Fourth Proportional to 243,166,963.20, 335,560,331.52 and 133,156,780.80

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Solution

The fourth proportional to 243,166,963.20, 335,560,331.52 and 133,156,780.80 is: 183,750,839.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,166,963.20 : 335,560,331.52 = 133,156,780.80 : x
  2. Step 2: Convert to fraction form
    243,166,963.20/335,560,331.52 = 133,156,780.80/x
  3. Step 3: Cross multiply
    243,166,963.20x = 335,560,331.52 × 133,156,780.80
  4. Step 4: Simplify right side
    243,166,963.20x = 44,682,133,509,383,968
  5. Step 5: Solve for x
    x = 44,682,133,509,383,968/243,166,963.20
  6. Step 6: Final answer
    x = 183,750,839.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.