Home / 146,019,563.20-219,015,110.40-38,314,187.20

Finding the Fourth Proportional to 146,019,563.20, 219,015,110.40 and 38,314,187.20

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Solution

The fourth proportional to 146,019,563.20, 219,015,110.40 and 38,314,187.20 is: 57,467,545.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,019,563.20 : 219,015,110.40 = 38,314,187.20 : x
  2. Step 2: Convert to fraction form
    146,019,563.20/219,015,110.40 = 38,314,187.20/x
  3. Step 3: Cross multiply
    146,019,563.20x = 219,015,110.40 × 38,314,187.20
  4. Step 4: Simplify right side
    146,019,563.20x = 8,391,385,939,494,268
  5. Step 5: Solve for x
    x = 8,391,385,939,494,268/146,019,563.20
  6. Step 6: Final answer
    x = 57,467,545.82

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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.