Home / 154,653,886.80-231,980,830.20-133,608,823.20

Finding the Fourth Proportional to 154,653,886.80, 231,980,830.20 and 133,608,823.20

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Solution

The fourth proportional to 154,653,886.80, 231,980,830.20 and 133,608,823.20 is: 200,413,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,653,886.80 : 231,980,830.20 = 133,608,823.20 : x
  2. Step 2: Convert to fraction form
    154,653,886.80/231,980,830.20 = 133,608,823.20/x
  3. Step 3: Cross multiply
    154,653,886.80x = 231,980,830.20 × 133,608,823.20
  4. Step 4: Simplify right side
    154,653,886.80x = 30,994,685,727,981,020
  5. Step 5: Solve for x
    x = 30,994,685,727,981,020/154,653,886.80
  6. Step 6: Final answer
    x = 200,413,234.80

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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.