Home / 133,060,728.80-199,740,392.40-102,902,290.40

Finding the Fourth Proportional to 133,060,728.80, 199,740,392.40 and 102,902,290.40

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Solution

The fourth proportional to 133,060,728.80, 199,740,392.40 and 102,902,290.40 is: 154,468,895.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,060,728.80 : 199,740,392.40 = 102,902,290.40 : x
  2. Step 2: Convert to fraction form
    133,060,728.80/199,740,392.40 = 102,902,290.40/x
  3. Step 3: Cross multiply
    133,060,728.80x = 199,740,392.40 × 102,902,290.40
  4. Step 4: Simplify right side
    133,060,728.80x = 20,553,743,863,354,756
  5. Step 5: Solve for x
    x = 20,553,743,863,354,756/133,060,728.80
  6. Step 6: Final answer
    x = 154,468,895.88

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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.