Home / 55,140,758.70-82,711,138.05-16,802,211.30

Finding the Fourth Proportional to 55,140,758.70, 82,711,138.05 and 16,802,211.30

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Solution

The fourth proportional to 55,140,758.70, 82,711,138.05 and 16,802,211.30 is: 25,203,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,140,758.70 : 82,711,138.05 = 16,802,211.30 : x
  2. Step 2: Convert to fraction form
    55,140,758.70/82,711,138.05 = 16,802,211.30/x
  3. Step 3: Cross multiply
    55,140,758.70x = 82,711,138.05 × 16,802,211.30
  4. Step 4: Simplify right side
    55,140,758.70x = 1,389,730,018,379,570
  5. Step 5: Solve for x
    x = 1,389,730,018,379,570/55,140,758.70
  6. Step 6: Final answer
    x = 25,203,316.95

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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.