Home / 77,332,299.21-115,973,638.52-25,505,250.30

Finding the Fourth Proportional to 77,332,299.21, 115,973,638.52 and 25,505,250.30

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Solution

The fourth proportional to 77,332,299.21, 115,973,638.52 and 25,505,250.30 is: 38,249,692.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,332,299.21 : 115,973,638.52 = 25,505,250.30 : x
  2. Step 2: Convert to fraction form
    77,332,299.21/115,973,638.52 = 25,505,250.30/x
  3. Step 3: Cross multiply
    77,332,299.21x = 115,973,638.52 × 25,505,250.30
  4. Step 4: Simplify right side
    77,332,299.21x = 2,957,936,678,526,795.50
  5. Step 5: Solve for x
    x = 2,957,936,678,526,795.50/77,332,299.21
  6. Step 6: Final answer
    x = 38,249,692.67

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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.