Home / 379,071,229.80-568,641,540.78-106,440,159.72

Finding the Fourth Proportional to 379,071,229.80, 568,641,540.78 and 106,440,159.72

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Solution

The fourth proportional to 379,071,229.80, 568,641,540.78 and 106,440,159.72 is: 159,669,981.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,071,229.80 : 568,641,540.78 = 106,440,159.72 : x
  2. Step 2: Convert to fraction form
    379,071,229.80/568,641,540.78 = 106,440,159.72/x
  3. Step 3: Cross multiply
    379,071,229.80x = 568,641,540.78 × 106,440,159.72
  4. Step 4: Simplify right side
    379,071,229.80x = 60,526,296,424,050,088
  5. Step 5: Solve for x
    x = 60,526,296,424,050,088/379,071,229.80
  6. Step 6: Final answer
    x = 159,669,981.96

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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.