Home / 93,974,910.80-140,962,366.20-68,465,742.80

Finding the Fourth Proportional to 93,974,910.80, 140,962,366.20 and 68,465,742.80

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Solution

The fourth proportional to 93,974,910.80, 140,962,366.20 and 68,465,742.80 is: 102,698,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,974,910.80 : 140,962,366.20 = 68,465,742.80 : x
  2. Step 2: Convert to fraction form
    93,974,910.80/140,962,366.20 = 68,465,742.80/x
  3. Step 3: Cross multiply
    93,974,910.80x = 140,962,366.20 × 68,465,742.80
  4. Step 4: Simplify right side
    93,974,910.80x = 9,651,093,108,728,612
  5. Step 5: Solve for x
    x = 9,651,093,108,728,612/93,974,910.80
  6. Step 6: Final answer
    x = 102,698,614.20

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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.