Home / 215,179,739.52-322,768,499.52-84,035,322.24

Finding the Fourth Proportional to 215,179,739.52, 322,768,499.52 and 84,035,322.24

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Solution

The fourth proportional to 215,179,739.52, 322,768,499.52 and 84,035,322.24 is: 126,052,549.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,179,739.52 : 322,768,499.52 = 84,035,322.24 : x
  2. Step 2: Convert to fraction form
    215,179,739.52/322,768,499.52 = 84,035,322.24/x
  3. Step 3: Cross multiply
    215,179,739.52x = 322,768,499.52 × 84,035,322.24
  4. Step 4: Simplify right side
    215,179,739.52x = 27,123,954,866,084,480
  5. Step 5: Solve for x
    x = 27,123,954,866,084,480/215,179,739.52
  6. Step 6: Final answer
    x = 126,052,549.96

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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.