Home / 77,063,944.47-115,621,613.39-51,257,981.44

Finding the Fourth Proportional to 77,063,944.47, 115,621,613.39 and 51,257,981.44

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Solution

The fourth proportional to 77,063,944.47, 115,621,613.39 and 51,257,981.44 is: 76,904,063.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,063,944.47 : 115,621,613.39 = 51,257,981.44 : x
  2. Step 2: Convert to fraction form
    77,063,944.47/115,621,613.39 = 51,257,981.44/x
  3. Step 3: Cross multiply
    77,063,944.47x = 115,621,613.39 × 51,257,981.44
  4. Step 4: Simplify right side
    77,063,944.47x = 5,926,530,513,207,475
  5. Step 5: Solve for x
    x = 5,926,530,513,207,475/77,063,944.47
  6. Step 6: Final answer
    x = 76,904,063.94

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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.