Home / 124,139,684.30-171,318,079.42-69,135,540.80

Finding the Fourth Proportional to 124,139,684.30, 171,318,079.42 and 69,135,540.80

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Solution

The fourth proportional to 124,139,684.30, 171,318,079.42 and 69,135,540.80 is: 95,410,006.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,139,684.30 : 171,318,079.42 = 69,135,540.80 : x
  2. Step 2: Convert to fraction form
    124,139,684.30/171,318,079.42 = 69,135,540.80/x
  3. Step 3: Cross multiply
    124,139,684.30x = 171,318,079.42 × 69,135,540.80
  4. Step 4: Simplify right side
    124,139,684.30x = 11,844,168,068,489,620
  5. Step 5: Solve for x
    x = 11,844,168,068,489,620/124,139,684.30
  6. Step 6: Final answer
    x = 95,410,006.36

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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.