Home / 64,272,650.24-96,396,421.68-20,541,678.20

Finding the Fourth Proportional to 64,272,650.24, 96,396,421.68 and 20,541,678.20

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Solution

The fourth proportional to 64,272,650.24, 96,396,421.68 and 20,541,678.20 is: 30,808,505.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,272,650.24 : 96,396,421.68 = 20,541,678.20 : x
  2. Step 2: Convert to fraction form
    64,272,650.24/96,396,421.68 = 20,541,678.20/x
  3. Step 3: Cross multiply
    64,272,650.24x = 96,396,421.68 × 20,541,678.20
  4. Step 4: Simplify right side
    64,272,650.24x = 1,980,144,273,661,568
  5. Step 5: Solve for x
    x = 1,980,144,273,661,568/64,272,650.24
  6. Step 6: Final answer
    x = 30,808,505.11

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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.