Home / 125,093,286.72-172,628,620.20-70,089,536.88

Finding the Fourth Proportional to 125,093,286.72, 172,628,620.20 and 70,089,536.88

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Solution

The fourth proportional to 125,093,286.72, 172,628,620.20 and 70,089,536.88 is: 96,723,496.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,093,286.72 : 172,628,620.20 = 70,089,536.88 : x
  2. Step 2: Convert to fraction form
    125,093,286.72/172,628,620.20 = 70,089,536.88/x
  3. Step 3: Cross multiply
    125,093,286.72x = 172,628,620.20 × 70,089,536.88
  4. Step 4: Simplify right side
    125,093,286.72x = 12,099,460,042,051,412
  5. Step 5: Solve for x
    x = 12,099,460,042,051,412/125,093,286.72
  6. Step 6: Final answer
    x = 96,723,496.19

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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.