Home / 77,063,946.62-115,621,616.60-51,257,983.58

Finding the Fourth Proportional to 77,063,946.62, 115,621,616.60 and 51,257,983.58

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Solution

The fourth proportional to 77,063,946.62, 115,621,616.60 and 51,257,983.58 is: 76,904,067.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,063,946.62 : 115,621,616.60 = 51,257,983.58 : x
  2. Step 2: Convert to fraction form
    77,063,946.62/115,621,616.60 = 51,257,983.58/x
  3. Step 3: Cross multiply
    77,063,946.62x = 115,621,616.60 × 51,257,983.58
  4. Step 4: Simplify right side
    77,063,946.62x = 5,926,530,925,593,055
  5. Step 5: Solve for x
    x = 5,926,530,925,593,055/77,063,946.62
  6. Step 6: Final answer
    x = 76,904,067.15

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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.