Home / 101,123,193.75-139,550,005.23-54,713,447.70

Finding the Fourth Proportional to 101,123,193.75, 139,550,005.23 and 54,713,447.70

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Solution

The fourth proportional to 101,123,193.75, 139,550,005.23 and 54,713,447.70 is: 75,504,556.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,123,193.75 : 139,550,005.23 = 54,713,447.70 : x
  2. Step 2: Convert to fraction form
    101,123,193.75/139,550,005.23 = 54,713,447.70/x
  3. Step 3: Cross multiply
    101,123,193.75x = 139,550,005.23 × 54,713,447.70
  4. Step 4: Simplify right side
    101,123,193.75x = 7,635,261,912,686,331
  5. Step 5: Solve for x
    x = 7,635,261,912,686,331/101,123,193.75
  6. Step 6: Final answer
    x = 75,504,556.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.