Home / 87,436,106.44-120,662,410.23-47,743,912.79

Finding the Fourth Proportional to 87,436,106.44, 120,662,410.23 and 47,743,912.79

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Solution

The fourth proportional to 87,436,106.44, 120,662,410.23 and 47,743,912.79 is: 65,886,918.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,436,106.44 : 120,662,410.23 = 47,743,912.79 : x
  2. Step 2: Convert to fraction form
    87,436,106.44/120,662,410.23 = 47,743,912.79/x
  3. Step 3: Cross multiply
    87,436,106.44x = 120,662,410.23 × 47,743,912.79
  4. Step 4: Simplify right side
    87,436,106.44x = 5,760,895,590,890,426
  5. Step 5: Solve for x
    x = 5,760,895,590,890,426/87,436,106.44
  6. Step 6: Final answer
    x = 65,886,918.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.