Home / 154,333,249.16-231,451,116.80-50,685,375.78

Finding the Fourth Proportional to 154,333,249.16, 231,451,116.80 and 50,685,375.78

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Solution

The fourth proportional to 154,333,249.16, 231,451,116.80 and 50,685,375.78 is: 76,012,051.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,333,249.16 : 231,451,116.80 = 50,685,375.78 : x
  2. Step 2: Convert to fraction form
    154,333,249.16/231,451,116.80 = 50,685,375.78/x
  3. Step 3: Cross multiply
    154,333,249.16x = 231,451,116.80 × 50,685,375.78
  4. Step 4: Simplify right side
    154,333,249.16x = 11,731,186,829,455,244
  5. Step 5: Solve for x
    x = 11,731,186,829,455,244/154,333,249.16
  6. Step 6: Final answer
    x = 76,012,051.15

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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.