Home / 74,887,969.40-112,331,954.10-49,059,936.80

Finding the Fourth Proportional to 74,887,969.40, 112,331,954.10 and 49,059,936.80

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Solution

The fourth proportional to 74,887,969.40, 112,331,954.10 and 49,059,936.80 is: 73,589,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,887,969.40 : 112,331,954.10 = 49,059,936.80 : x
  2. Step 2: Convert to fraction form
    74,887,969.40/112,331,954.10 = 49,059,936.80/x
  3. Step 3: Cross multiply
    74,887,969.40x = 112,331,954.10 × 49,059,936.80
  4. Step 4: Simplify right side
    74,887,969.40x = 5,510,998,568,766,500
  5. Step 5: Solve for x
    x = 5,510,998,568,766,500/74,887,969.40
  6. Step 6: Final answer
    x = 73,589,905.20

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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.