Home / 138,965,495.60-208,449,740.13-41,922,043.95

Finding the Fourth Proportional to 138,965,495.60, 208,449,740.13 and 41,922,043.95

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Solution

The fourth proportional to 138,965,495.60, 208,449,740.13 and 41,922,043.95 is: 62,883,517.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,965,495.60 : 208,449,740.13 = 41,922,043.95 : x
  2. Step 2: Convert to fraction form
    138,965,495.60/208,449,740.13 = 41,922,043.95/x
  3. Step 3: Cross multiply
    138,965,495.60x = 208,449,740.13 × 41,922,043.95
  4. Step 4: Simplify right side
    138,965,495.60x = 8,738,639,166,783,489
  5. Step 5: Solve for x
    x = 8,738,639,166,783,489/138,965,495.60
  6. Step 6: Final answer
    x = 62,883,517.44

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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.