Home / 139,620,068-209,452,794.96-41,261,755.04

Finding the Fourth Proportional to 139,620,068, 209,452,794.96 and 41,261,755.04

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Solution

The fourth proportional to 139,620,068, 209,452,794.96 and 41,261,755.04 is: 61,899,338.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,620,068 : 209,452,794.96 = 41,261,755.04 : x
  2. Step 2: Convert to fraction form
    139,620,068/209,452,794.96 = 41,261,755.04/x
  3. Step 3: Cross multiply
    139,620,068x = 209,452,794.96 × 41,261,755.04
  4. Step 4: Simplify right side
    139,620,068x = 8,642,389,918,082,867
  5. Step 5: Solve for x
    x = 8,642,389,918,082,867/139,620,068
  6. Step 6: Final answer
    x = 61,899,338.98

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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.