Home / 218,106,068.85-327,115,111.77-79,884,481.30

Finding the Fourth Proportional to 218,106,068.85, 327,115,111.77 and 79,884,481.30

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Solution

The fourth proportional to 218,106,068.85, 327,115,111.77 and 79,884,481.30 is: 119,810,609.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,106,068.85 : 327,115,111.77 = 79,884,481.30 : x
  2. Step 2: Convert to fraction form
    218,106,068.85/327,115,111.77 = 79,884,481.30/x
  3. Step 3: Cross multiply
    218,106,068.85x = 327,115,111.77 × 79,884,481.30
  4. Step 4: Simplify right side
    218,106,068.85x = 26,131,421,028,320,184
  5. Step 5: Solve for x
    x = 26,131,421,028,320,184/218,106,068.85
  6. Step 6: Final answer
    x = 119,810,609.43

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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.