Home / 125,040,409.60-187,560,614.40-84,225,740.80

Finding the Fourth Proportional to 125,040,409.60, 187,560,614.40 and 84,225,740.80

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Solution

The fourth proportional to 125,040,409.60, 187,560,614.40 and 84,225,740.80 is: 126,338,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,040,409.60 : 187,560,614.40 = 84,225,740.80 : x
  2. Step 2: Convert to fraction form
    125,040,409.60/187,560,614.40 = 84,225,740.80/x
  3. Step 3: Cross multiply
    125,040,409.60x = 187,560,614.40 × 84,225,740.80
  4. Step 4: Simplify right side
    125,040,409.60x = 15,797,431,692,743,148
  5. Step 5: Solve for x
    x = 15,797,431,692,743,148/125,040,409.60
  6. Step 6: Final answer
    x = 126,338,611.20

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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.