Home / 146,019,703.20-219,015,320.40-38,314,327.20

Finding the Fourth Proportional to 146,019,703.20, 219,015,320.40 and 38,314,327.20

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Solution

The fourth proportional to 146,019,703.20, 219,015,320.40 and 38,314,327.20 is: 57,467,755.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,019,703.20 : 219,015,320.40 = 38,314,327.20 : x
  2. Step 2: Convert to fraction form
    146,019,703.20/219,015,320.40 = 38,314,327.20/x
  3. Step 3: Cross multiply
    146,019,703.20x = 219,015,320.40 × 38,314,327.20
  4. Step 4: Simplify right side
    146,019,703.20x = 8,391,424,647,618,436
  5. Step 5: Solve for x
    x = 8,391,424,647,618,436/146,019,703.20
  6. Step 6: Final answer
    x = 57,467,755.81

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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.