Home / 379,105,870.50-568,680,077.79-106,455,379.86

Finding the Fourth Proportional to 379,105,870.50, 568,680,077.79 and 106,455,379.86

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Solution

The fourth proportional to 379,105,870.50, 568,680,077.79 and 106,455,379.86 is: 159,689,043.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,105,870.50 : 568,680,077.79 = 106,455,379.86 : x
  2. Step 2: Convert to fraction form
    379,105,870.50/568,680,077.79 = 106,455,379.86/x
  3. Step 3: Cross multiply
    379,105,870.50x = 568,680,077.79 × 106,455,379.86
  4. Step 4: Simplify right side
    379,105,870.50x = 60,539,053,699,948,792
  5. Step 5: Solve for x
    x = 60,539,053,699,948,792/379,105,870.50
  6. Step 6: Final answer
    x = 159,689,043.12

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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.