Home / 125,412,660.81-188,180,620.87-56,374,243.06

Finding the Fourth Proportional to 125,412,660.81, 188,180,620.87 and 56,374,243.06

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Solution

The fourth proportional to 125,412,660.81, 188,180,620.87 and 56,374,243.06 is: 84,589,067.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,412,660.81 : 188,180,620.87 = 56,374,243.06 : x
  2. Step 2: Convert to fraction form
    125,412,660.81/188,180,620.87 = 56,374,243.06/x
  3. Step 3: Cross multiply
    125,412,660.81x = 188,180,620.87 × 56,374,243.06
  4. Step 4: Simplify right side
    125,412,660.81x = 10,608,540,060,107,090
  5. Step 5: Solve for x
    x = 10,608,540,060,107,090/125,412,660.81
  6. Step 6: Final answer
    x = 84,589,067.74

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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.