Home / 210,371,550.76-315,322,845.18-87,481,046.44

Finding the Fourth Proportional to 210,371,550.76, 315,322,845.18 and 87,481,046.44

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Solution

The fourth proportional to 210,371,550.76, 315,322,845.18 and 87,481,046.44 is: 131,124,062.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,371,550.76 : 315,322,845.18 = 87,481,046.44 : x
  2. Step 2: Convert to fraction form
    210,371,550.76/315,322,845.18 = 87,481,046.44/x
  3. Step 3: Cross multiply
    210,371,550.76x = 315,322,845.18 × 87,481,046.44
  4. Step 4: Simplify right side
    210,371,550.76x = 27,584,772,462,784,512
  5. Step 5: Solve for x
    x = 27,584,772,462,784,512/210,371,550.76
  6. Step 6: Final answer
    x = 131,124,062.94

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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.