Home / 208,601,125.20-313,013,662.20-87,444,824.40

Finding the Fourth Proportional to 208,601,125.20, 313,013,662.20 and 87,444,824.40

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Solution

The fourth proportional to 208,601,125.20, 313,013,662.20 and 87,444,824.40 is: 131,214,175.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,601,125.20 : 313,013,662.20 = 87,444,824.40 : x
  2. Step 2: Convert to fraction form
    208,601,125.20/313,013,662.20 = 87,444,824.40/x
  3. Step 3: Cross multiply
    208,601,125.20x = 313,013,662.20 × 87,444,824.40
  4. Step 4: Simplify right side
    208,601,125.20x = 27,371,424,725,879,920
  5. Step 5: Solve for x
    x = 27,371,424,725,879,920/208,601,125.20
  6. Step 6: Final answer
    x = 131,214,175.86

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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.