Home / 263,426,015.92-394,985,859.36-99,676,422.04

Finding the Fourth Proportional to 263,426,015.92, 394,985,859.36 and 99,676,422.04

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Solution

The fourth proportional to 263,426,015.92, 394,985,859.36 and 99,676,422.04 is: 149,456,677.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,426,015.92 : 394,985,859.36 = 99,676,422.04 : x
  2. Step 2: Convert to fraction form
    263,426,015.92/394,985,859.36 = 99,676,422.04/x
  3. Step 3: Cross multiply
    263,426,015.92x = 394,985,859.36 × 99,676,422.04
  4. Step 4: Simplify right side
    263,426,015.92x = 39,370,777,217,399,448
  5. Step 5: Solve for x
    x = 39,370,777,217,399,448/263,426,015.92
  6. Step 6: Final answer
    x = 149,456,677.92

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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.