Home / 191,682,037.72-287,652,428.52-75,082,930.48

Finding the Fourth Proportional to 191,682,037.72, 287,652,428.52 and 75,082,930.48

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Solution

The fourth proportional to 191,682,037.72, 287,652,428.52 and 75,082,930.48 is: 112,675,071.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,682,037.72 : 287,652,428.52 = 75,082,930.48 : x
  2. Step 2: Convert to fraction form
    191,682,037.72/287,652,428.52 = 75,082,930.48/x
  3. Step 3: Cross multiply
    191,682,037.72x = 287,652,428.52 × 75,082,930.48
  4. Step 4: Simplify right side
    191,682,037.72x = 21,597,787,292,970,328
  5. Step 5: Solve for x
    x = 21,597,787,292,970,328/191,682,037.72
  6. Step 6: Final answer
    x = 112,675,071.44

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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.