Home / 126,372,097.50-189,558,146.25-30,633,985.50

Finding the Fourth Proportional to 126,372,097.50, 189,558,146.25 and 30,633,985.50

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Solution

The fourth proportional to 126,372,097.50, 189,558,146.25 and 30,633,985.50 is: 45,950,978.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,372,097.50 : 189,558,146.25 = 30,633,985.50 : x
  2. Step 2: Convert to fraction form
    126,372,097.50/189,558,146.25 = 30,633,985.50/x
  3. Step 3: Cross multiply
    126,372,097.50x = 189,558,146.25 × 30,633,985.50
  4. Step 4: Simplify right side
    126,372,097.50x = 5,806,921,503,629,379
  5. Step 5: Solve for x
    x = 5,806,921,503,629,379/126,372,097.50
  6. Step 6: Final answer
    x = 45,950,978.25

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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.