Home / 218,673,852.91-328,093,389.59-131,296,295.84

Finding the Fourth Proportional to 218,673,852.91, 328,093,389.59 and 131,296,295.84

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Solution

The fourth proportional to 218,673,852.91, 328,093,389.59 and 131,296,295.84 is: 196,994,044.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,673,852.91 : 328,093,389.59 = 131,296,295.84 : x
  2. Step 2: Convert to fraction form
    218,673,852.91/328,093,389.59 = 131,296,295.84/x
  3. Step 3: Cross multiply
    218,673,852.91x = 328,093,389.59 × 131,296,295.84
  4. Step 4: Simplify right side
    218,673,852.91x = 43,077,446,743,040,528
  5. Step 5: Solve for x
    x = 43,077,446,743,040,528/218,673,852.91
  6. Step 6: Final answer
    x = 196,994,044.64

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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.