Home / 378,786,085.94-568,201,173.34-106,178,110.58

Finding the Fourth Proportional to 378,786,085.94, 568,201,173.34 and 106,178,110.58

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Solution

The fourth proportional to 378,786,085.94, 568,201,173.34 and 106,178,110.58 is: 159,273,345.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,786,085.94 : 568,201,173.34 = 106,178,110.58 : x
  2. Step 2: Convert to fraction form
    378,786,085.94/568,201,173.34 = 106,178,110.58/x
  3. Step 3: Cross multiply
    378,786,085.94x = 568,201,173.34 × 106,178,110.58
  4. Step 4: Simplify right side
    378,786,085.94x = 60,330,527,014,580,272
  5. Step 5: Solve for x
    x = 60,330,527,014,580,272/378,786,085.94
  6. Step 6: Final answer
    x = 159,273,345.18

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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.