Home / 84,699,485.60-126,993,474.36-55,857,679.52

Finding the Fourth Proportional to 84,699,485.60, 126,993,474.36 and 55,857,679.52

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Solution

The fourth proportional to 84,699,485.60, 126,993,474.36 and 55,857,679.52 is: 83,749,750.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,699,485.60 : 126,993,474.36 = 55,857,679.52 : x
  2. Step 2: Convert to fraction form
    84,699,485.60/126,993,474.36 = 55,857,679.52/x
  3. Step 3: Cross multiply
    84,699,485.60x = 126,993,474.36 × 55,857,679.52
  4. Step 4: Simplify right side
    84,699,485.60x = 7,093,560,791,932,217
  5. Step 5: Solve for x
    x = 7,093,560,791,932,217/84,699,485.60
  6. Step 6: Final answer
    x = 83,749,750.56

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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.