Home / 69,328,632.56-95,672,344.64-38,388,137.60

Finding the Fourth Proportional to 69,328,632.56, 95,672,344.64 and 38,388,137.60

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Solution

The fourth proportional to 69,328,632.56, 95,672,344.64 and 38,388,137.60 is: 52,974,982.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,328,632.56 : 95,672,344.64 = 38,388,137.60 : x
  2. Step 2: Convert to fraction form
    69,328,632.56/95,672,344.64 = 38,388,137.60/x
  3. Step 3: Cross multiply
    69,328,632.56x = 95,672,344.64 × 38,388,137.60
  4. Step 4: Simplify right side
    69,328,632.56x = 3,672,683,130,554,942.50
  5. Step 5: Solve for x
    x = 3,672,683,130,554,942.50/69,328,632.56
  6. Step 6: Final answer
    x = 52,974,982.99

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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.