Home / 210,026,788.80-315,040,183.20-181,305,355.20

Finding the Fourth Proportional to 210,026,788.80, 315,040,183.20 and 181,305,355.20

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Solution

The fourth proportional to 210,026,788.80, 315,040,183.20 and 181,305,355.20 is: 271,958,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,026,788.80 : 315,040,183.20 = 181,305,355.20 : x
  2. Step 2: Convert to fraction form
    210,026,788.80/315,040,183.20 = 181,305,355.20/x
  3. Step 3: Cross multiply
    210,026,788.80x = 315,040,183.20 × 181,305,355.20
  4. Step 4: Simplify right side
    210,026,788.80x = 57,118,472,317,349,064
  5. Step 5: Solve for x
    x = 57,118,472,317,349,064/210,026,788.80
  6. Step 6: Final answer
    x = 271,958,032.80

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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.