Home / 208,601,139.70-313,013,683.95-87,444,838.90

Finding the Fourth Proportional to 208,601,139.70, 313,013,683.95 and 87,444,838.90

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Solution

The fourth proportional to 208,601,139.70, 313,013,683.95 and 87,444,838.90 is: 131,214,197.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,601,139.70 : 313,013,683.95 = 87,444,838.90 : x
  2. Step 2: Convert to fraction form
    208,601,139.70/313,013,683.95 = 87,444,838.90/x
  3. Step 3: Cross multiply
    208,601,139.70x = 313,013,683.95 × 87,444,838.90
  4. Step 4: Simplify right side
    208,601,139.70x = 27,371,431,166,503,268
  5. Step 5: Solve for x
    x = 27,371,431,166,503,268/208,601,139.70
  6. Step 6: Final answer
    x = 131,214,197.61

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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.