Home / 70,256,659.78-96,964,336.91-40,481,607.39

Finding the Fourth Proportional to 70,256,659.78, 96,964,336.91 and 40,481,607.39

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Solution

The fourth proportional to 70,256,659.78, 96,964,336.91 and 40,481,607.39 is: 55,870,464.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,256,659.78 : 96,964,336.91 = 40,481,607.39 : x
  2. Step 2: Convert to fraction form
    70,256,659.78/96,964,336.91 = 40,481,607.39/x
  3. Step 3: Cross multiply
    70,256,659.78x = 96,964,336.91 × 40,481,607.39
  4. Step 4: Simplify right side
    70,256,659.78x = 3,925,272,217,677,608.50
  5. Step 5: Solve for x
    x = 3,925,272,217,677,608.50/70,256,659.78
  6. Step 6: Final answer
    x = 55,870,464.52

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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.