Home / 67,156,622.10-100,734,933.15-21,723,009.30

Finding the Fourth Proportional to 67,156,622.10, 100,734,933.15 and 21,723,009.30

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Solution

The fourth proportional to 67,156,622.10, 100,734,933.15 and 21,723,009.30 is: 32,584,513.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,156,622.10 : 100,734,933.15 = 21,723,009.30 : x
  2. Step 2: Convert to fraction form
    67,156,622.10/100,734,933.15 = 21,723,009.30/x
  3. Step 3: Cross multiply
    67,156,622.10x = 100,734,933.15 × 21,723,009.30
  4. Step 4: Simplify right side
    67,156,622.10x = 2,188,265,889,652,328.50
  5. Step 5: Solve for x
    x = 2,188,265,889,652,328.50/67,156,622.10
  6. Step 6: Final answer
    x = 32,584,513.95

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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.