Home / 138,792,601.80-208,188,902.70-52,533,822.60

Finding the Fourth Proportional to 138,792,601.80, 208,188,902.70 and 52,533,822.60

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Solution

The fourth proportional to 138,792,601.80, 208,188,902.70 and 52,533,822.60 is: 78,800,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,792,601.80 : 208,188,902.70 = 52,533,822.60 : x
  2. Step 2: Convert to fraction form
    138,792,601.80/208,188,902.70 = 52,533,822.60/x
  3. Step 3: Cross multiply
    138,792,601.80x = 208,188,902.70 × 52,533,822.60
  4. Step 4: Simplify right side
    138,792,601.80x = 10,936,958,881,730,460
  5. Step 5: Solve for x
    x = 10,936,958,881,730,460/138,792,601.80
  6. Step 6: Final answer
    x = 78,800,733.90

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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.