Home / 67,372,704.99-101,067,125.21-20,680,074.67

Finding the Fourth Proportional to 67,372,704.99, 101,067,125.21 and 20,680,074.67

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Solution

The fourth proportional to 67,372,704.99, 101,067,125.21 and 20,680,074.67 is: 31,022,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,372,704.99 : 101,067,125.21 = 20,680,074.67 : x
  2. Step 2: Convert to fraction form
    67,372,704.99/101,067,125.21 = 20,680,074.67/x
  3. Step 3: Cross multiply
    67,372,704.99x = 101,067,125.21 × 20,680,074.67
  4. Step 4: Simplify right side
    67,372,704.99x = 2,090,075,696,025,039.50
  5. Step 5: Solve for x
    x = 2,090,075,696,025,039.50/67,372,704.99
  6. Step 6: Final answer
    x = 31,022,588.40

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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.