Home / 64,159,616.44-96,200,989.80-20,421,481.06

Finding the Fourth Proportional to 64,159,616.44, 96,200,989.80 and 20,421,481.06

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Solution

The fourth proportional to 64,159,616.44, 96,200,989.80 and 20,421,481.06 is: 30,619,988.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,159,616.44 : 96,200,989.80 = 20,421,481.06 : x
  2. Step 2: Convert to fraction form
    64,159,616.44/96,200,989.80 = 20,421,481.06/x
  3. Step 3: Cross multiply
    64,159,616.44x = 96,200,989.80 × 20,421,481.06
  4. Step 4: Simplify right side
    64,159,616.44x = 1,964,566,691,153,953
  5. Step 5: Solve for x
    x = 1,964,566,691,153,953/64,159,616.44
  6. Step 6: Final answer
    x = 30,619,988.09

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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.