Home / 64,158,710.76-96,199,633.56-20,420,576.70

Finding the Fourth Proportional to 64,158,710.76, 96,199,633.56 and 20,420,576.70

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Solution

The fourth proportional to 64,158,710.76, 96,199,633.56 and 20,420,576.70 is: 30,618,632.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,158,710.76 : 96,199,633.56 = 20,420,576.70 : x
  2. Step 2: Convert to fraction form
    64,158,710.76/96,199,633.56 = 20,420,576.70/x
  3. Step 3: Cross multiply
    64,158,710.76x = 96,199,633.56 × 20,420,576.70
  4. Step 4: Simplify right side
    64,158,710.76x = 1,964,451,995,623,874
  5. Step 5: Solve for x
    x = 1,964,451,995,623,874/64,158,710.76
  6. Step 6: Final answer
    x = 30,618,632.64

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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.