Home / 67,165,312.80-100,747,969.20-21,727,107.30

Finding the Fourth Proportional to 67,165,312.80, 100,747,969.20 and 21,727,107.30

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Solution

The fourth proportional to 67,165,312.80, 100,747,969.20 and 21,727,107.30 is: 32,590,660.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,165,312.80 : 100,747,969.20 = 21,727,107.30 : x
  2. Step 2: Convert to fraction form
    67,165,312.80/100,747,969.20 = 21,727,107.30/x
  3. Step 3: Cross multiply
    67,165,312.80x = 100,747,969.20 × 21,727,107.30
  4. Step 4: Simplify right side
    67,165,312.80x = 2,188,961,937,065,495.25
  5. Step 5: Solve for x
    x = 2,188,961,937,065,495.25/67,165,312.80
  6. Step 6: Final answer
    x = 32,590,660.95

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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.