Home / 87,619,047-131,159,525.76-55,118,777.10

Finding the Fourth Proportional to 87,619,047, 131,159,525.76 and 55,118,777.10

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Solution

The fourth proportional to 87,619,047, 131,159,525.76 and 55,118,777.10 is: 82,508,916.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,619,047 : 131,159,525.76 = 55,118,777.10 : x
  2. Step 2: Convert to fraction form
    87,619,047/131,159,525.76 = 55,118,777.10/x
  3. Step 3: Cross multiply
    87,619,047x = 131,159,525.76 × 55,118,777.10
  4. Step 4: Simplify right side
    87,619,047x = 7,229,352,664,907,149
  5. Step 5: Solve for x
    x = 7,229,352,664,907,149/87,619,047
  6. Step 6: Final answer
    x = 82,508,916.87

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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.