Home / 208,093,292.60-311,804,015.70-131,278,854.20

Finding the Fourth Proportional to 208,093,292.60, 311,804,015.70 and 131,278,854.20

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Solution

The fourth proportional to 208,093,292.60, 311,804,015.70 and 131,278,854.20 is: 196,706,358.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,093,292.60 : 311,804,015.70 = 131,278,854.20 : x
  2. Step 2: Convert to fraction form
    208,093,292.60/311,804,015.70 = 131,278,854.20/x
  3. Step 3: Cross multiply
    208,093,292.60x = 311,804,015.70 × 131,278,854.20
  4. Step 4: Simplify right side
    208,093,292.60x = 40,933,273,916,054,808
  5. Step 5: Solve for x
    x = 40,933,273,916,054,808/208,093,292.60
  6. Step 6: Final answer
    x = 196,706,358.98

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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.