Home / 71,952,800.73-107,929,219.47-20,145,035.94

Finding the Fourth Proportional to 71,952,800.73, 107,929,219.47 and 20,145,035.94

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Solution

The fourth proportional to 71,952,800.73, 107,929,219.47 and 20,145,035.94 is: 30,217,559.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,952,800.73 : 107,929,219.47 = 20,145,035.94 : x
  2. Step 2: Convert to fraction form
    71,952,800.73/107,929,219.47 = 20,145,035.94/x
  3. Step 3: Cross multiply
    71,952,800.73x = 107,929,219.47 × 20,145,035.94
  4. Step 4: Simplify right side
    71,952,800.73x = 2,174,238,005,199,297.75
  5. Step 5: Solve for x
    x = 2,174,238,005,199,297.75/71,952,800.73
  6. Step 6: Final answer
    x = 30,217,559.05

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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.