Home / 87,603,993.99-120,856,996.89-50,425,377.93

Finding the Fourth Proportional to 87,603,993.99, 120,856,996.89 and 50,425,377.93

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Solution

The fourth proportional to 87,603,993.99, 120,856,996.89 and 50,425,377.93 is: 69,566,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,603,993.99 : 120,856,996.89 = 50,425,377.93 : x
  2. Step 2: Convert to fraction form
    87,603,993.99/120,856,996.89 = 50,425,377.93/x
  3. Step 3: Cross multiply
    87,603,993.99x = 120,856,996.89 × 50,425,377.93
  4. Step 4: Simplify right side
    87,603,993.99x = 6,094,259,743,663,085
  5. Step 5: Solve for x
    x = 6,094,259,743,663,085/87,603,993.99
  6. Step 6: Final answer
    x = 69,566,003.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.