Home / 218,610,004.97-327,972,438.38-78,564,601.98

Finding the Fourth Proportional to 218,610,004.97, 327,972,438.38 and 78,564,601.98

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Solution

The fourth proportional to 218,610,004.97, 327,972,438.38 and 78,564,601.98 is: 117,867,542.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,610,004.97 : 327,972,438.38 = 78,564,601.98 : x
  2. Step 2: Convert to fraction form
    218,610,004.97/327,972,438.38 = 78,564,601.98/x
  3. Step 3: Cross multiply
    218,610,004.97x = 327,972,438.38 × 78,564,601.98
  4. Step 4: Simplify right side
    218,610,004.97x = 25,767,024,081,931,188
  5. Step 5: Solve for x
    x = 25,767,024,081,931,188/218,610,004.97
  6. Step 6: Final answer
    x = 117,867,542.64

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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.