Home / 294,590,517.30-441,869,758.74-90,118,592.82

Finding the Fourth Proportional to 294,590,517.30, 441,869,758.74 and 90,118,592.82

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Solution

The fourth proportional to 294,590,517.30, 441,869,758.74 and 90,118,592.82 is: 135,172,989.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,590,517.30 : 441,869,758.74 = 90,118,592.82 : x
  2. Step 2: Convert to fraction form
    294,590,517.30/441,869,758.74 = 90,118,592.82/x
  3. Step 3: Cross multiply
    294,590,517.30x = 441,869,758.74 × 90,118,592.82
  4. Step 4: Simplify right side
    294,590,517.30x = 39,820,680,867,361,696
  5. Step 5: Solve for x
    x = 39,820,680,867,361,696/294,590,517.30
  6. Step 6: Final answer
    x = 135,172,989.38

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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.