Home / 69,331,435.77-95,676,205.05-38,390,940.75

Finding the Fourth Proportional to 69,331,435.77, 95,676,205.05 and 38,390,940.75

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Solution

The fourth proportional to 69,331,435.77, 95,676,205.05 and 38,390,940.75 is: 52,978,846.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,331,435.77 : 95,676,205.05 = 38,390,940.75 : x
  2. Step 2: Convert to fraction form
    69,331,435.77/95,676,205.05 = 38,390,940.75/x
  3. Step 3: Cross multiply
    69,331,435.77x = 95,676,205.05 × 38,390,940.75
  4. Step 4: Simplify right side
    69,331,435.77x = 3,673,099,519,259,400.50
  5. Step 5: Solve for x
    x = 3,673,099,519,259,400.50/69,331,435.77
  6. Step 6: Final answer
    x = 52,978,846.87

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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.