Home / 125,747,938.86-188,621,863.92-33,629,282.76

Finding the Fourth Proportional to 125,747,938.86, 188,621,863.92 and 33,629,282.76

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Solution

The fourth proportional to 125,747,938.86, 188,621,863.92 and 33,629,282.76 is: 50,443,912.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,747,938.86 : 188,621,863.92 = 33,629,282.76 : x
  2. Step 2: Convert to fraction form
    125,747,938.86/188,621,863.92 = 33,629,282.76/x
  3. Step 3: Cross multiply
    125,747,938.86x = 188,621,863.92 × 33,629,282.76
  4. Step 4: Simplify right side
    125,747,938.86x = 6,343,217,996,483,921
  5. Step 5: Solve for x
    x = 6,343,217,996,483,921/125,747,938.86
  6. Step 6: Final answer
    x = 50,443,912.27

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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.