Home / 139,968,136.95-209,952,205.43-131,458,082.55

Finding the Fourth Proportional to 139,968,136.95, 209,952,205.43 and 131,458,082.55

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Solution

The fourth proportional to 139,968,136.95, 209,952,205.43 and 131,458,082.55 is: 197,187,123.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,136.95 : 209,952,205.43 = 131,458,082.55 : x
  2. Step 2: Convert to fraction form
    139,968,136.95/209,952,205.43 = 131,458,082.55/x
  3. Step 3: Cross multiply
    139,968,136.95x = 209,952,205.43 × 131,458,082.55
  4. Step 4: Simplify right side
    139,968,136.95x = 27,599,914,352,314,208
  5. Step 5: Solve for x
    x = 27,599,914,352,314,208/139,968,136.95
  6. Step 6: Final answer
    x = 197,187,123.83

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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.