Home / 55,145,470.45-82,718,205.68-16,808,891.35

Finding the Fourth Proportional to 55,145,470.45, 82,718,205.68 and 16,808,891.35

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Solution

The fourth proportional to 55,145,470.45, 82,718,205.68 and 16,808,891.35 is: 25,213,337.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,145,470.45 : 82,718,205.68 = 16,808,891.35 : x
  2. Step 2: Convert to fraction form
    55,145,470.45/82,718,205.68 = 16,808,891.35/x
  3. Step 3: Cross multiply
    55,145,470.45x = 82,718,205.68 × 16,808,891.35
  4. Step 4: Simplify right side
    55,145,470.45x = 1,390,401,331,942,073
  5. Step 5: Solve for x
    x = 1,390,401,331,942,073/55,145,470.45
  6. Step 6: Final answer
    x = 25,213,337.03

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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.