Home / 191,682,377.45-287,652,937.48-75,083,270.71

Finding the Fourth Proportional to 191,682,377.45, 287,652,937.48 and 75,083,270.71

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Solution

The fourth proportional to 191,682,377.45, 287,652,937.48 and 75,083,270.71 is: 112,675,581.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,682,377.45 : 287,652,937.48 = 75,083,270.71 : x
  2. Step 2: Convert to fraction form
    191,682,377.45/287,652,937.48 = 75,083,270.71/x
  3. Step 3: Cross multiply
    191,682,377.45x = 287,652,937.48 × 75,083,270.71
  4. Step 4: Simplify right side
    191,682,377.45x = 21,597,923,375,393,812
  5. Step 5: Solve for x
    x = 21,597,923,375,393,812/191,682,377.45
  6. Step 6: Final answer
    x = 112,675,581.67

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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.