Home / 60,101,998.37-90,123,144.97-19,156,109.57

Finding the Fourth Proportional to 60,101,998.37, 90,123,144.97 and 19,156,109.57

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Solution

The fourth proportional to 60,101,998.37, 90,123,144.97 and 19,156,109.57 is: 28,724,649.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,101,998.37 : 90,123,144.97 = 19,156,109.57 : x
  2. Step 2: Convert to fraction form
    60,101,998.37/90,123,144.97 = 19,156,109.57/x
  3. Step 3: Cross multiply
    60,101,998.37x = 90,123,144.97 × 19,156,109.57
  4. Step 4: Simplify right side
    60,101,998.37x = 1,726,408,839,713,707
  5. Step 5: Solve for x
    x = 1,726,408,839,713,707/60,101,998.37
  6. Step 6: Final answer
    x = 28,724,649.54

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1.5x scale

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.