Home / 379,105,876-568,680,086.04-106,455,385.36

Finding the Fourth Proportional to 379,105,876, 568,680,086.04 and 106,455,385.36

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Solution

The fourth proportional to 379,105,876, 568,680,086.04 and 106,455,385.36 is: 159,689,051.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,105,876 : 568,680,086.04 = 106,455,385.36 : x
  2. Step 2: Convert to fraction form
    379,105,876/568,680,086.04 = 106,455,385.36/x
  3. Step 3: Cross multiply
    379,105,876x = 568,680,086.04 × 106,455,385.36
  4. Step 4: Simplify right side
    379,105,876x = 60,539,057,705,946,152
  5. Step 5: Solve for x
    x = 60,539,057,705,946,152/379,105,876
  6. Step 6: Final answer
    x = 159,689,051.37

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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.