Home / 161,579,085.48-242,727,350.94-100,213,593.30

Finding the Fourth Proportional to 161,579,085.48, 242,727,350.94 and 100,213,593.30

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Solution

The fourth proportional to 161,579,085.48, 242,727,350.94 and 100,213,593.30 is: 150,542,874.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,579,085.48 : 242,727,350.94 = 100,213,593.30 : x
  2. Step 2: Convert to fraction form
    161,579,085.48/242,727,350.94 = 100,213,593.30/x
  3. Step 3: Cross multiply
    161,579,085.48x = 242,727,350.94 × 100,213,593.30
  4. Step 4: Simplify right side
    161,579,085.48x = 24,324,580,029,887,532
  5. Step 5: Solve for x
    x = 24,324,580,029,887,532/161,579,085.48
  6. Step 6: Final answer
    x = 150,542,874.76

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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.