Home / 218,610,011.22-327,972,447.54-78,564,608.16

Finding the Fourth Proportional to 218,610,011.22, 327,972,447.54 and 78,564,608.16

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Solution

The fourth proportional to 218,610,011.22, 327,972,447.54 and 78,564,608.16 is: 117,867,551.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,610,011.22 : 327,972,447.54 = 78,564,608.16 : x
  2. Step 2: Convert to fraction form
    218,610,011.22/327,972,447.54 = 78,564,608.16/x
  3. Step 3: Cross multiply
    218,610,011.22x = 327,972,447.54 × 78,564,608.16
  4. Step 4: Simplify right side
    218,610,011.22x = 25,767,026,828,256,256
  5. Step 5: Solve for x
    x = 25,767,026,828,256,256/218,610,011.22
  6. Step 6: Final answer
    x = 117,867,551.83

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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.