Home / 90,204,279.62-124,481,987.60-48,951,172.40

Finding the Fourth Proportional to 90,204,279.62, 124,481,987.60 and 48,951,172.40

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Solution

The fourth proportional to 90,204,279.62, 124,481,987.60 and 48,951,172.40 is: 67,552,662.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,204,279.62 : 124,481,987.60 = 48,951,172.40 : x
  2. Step 2: Convert to fraction form
    90,204,279.62/124,481,987.60 = 48,951,172.40/x
  3. Step 3: Cross multiply
    90,204,279.62x = 124,481,987.60 × 48,951,172.40
  4. Step 4: Simplify right side
    90,204,279.62x = 6,093,539,234,835,097
  5. Step 5: Solve for x
    x = 6,093,539,234,835,097/90,204,279.62
  6. Step 6: Final answer
    x = 67,552,662.26

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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.