Home / 117,538,609.10-176,135,804.85-105,408,049.10

Finding the Fourth Proportional to 117,538,609.10, 176,135,804.85 and 105,408,049.10

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Solution

The fourth proportional to 117,538,609.10, 176,135,804.85 and 105,408,049.10 is: 157,957,727.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,538,609.10 : 176,135,804.85 = 105,408,049.10 : x
  2. Step 2: Convert to fraction form
    117,538,609.10/176,135,804.85 = 105,408,049.10/x
  3. Step 3: Cross multiply
    117,538,609.10x = 176,135,804.85 × 105,408,049.10
  4. Step 4: Simplify right side
    117,538,609.10x = 18,566,131,565,896,816
  5. Step 5: Solve for x
    x = 18,566,131,565,896,816/117,538,609.10
  6. Step 6: Final answer
    x = 157,957,727.32

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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.