Home / 103,520,975.70-155,149,587.45-55,022,063.70

Finding the Fourth Proportional to 103,520,975.70, 155,149,587.45 and 55,022,063.70

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Solution

The fourth proportional to 103,520,975.70, 155,149,587.45 and 55,022,063.70 is: 82,463,002.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,520,975.70 : 155,149,587.45 = 55,022,063.70 : x
  2. Step 2: Convert to fraction form
    103,520,975.70/155,149,587.45 = 55,022,063.70/x
  3. Step 3: Cross multiply
    103,520,975.70x = 155,149,587.45 × 55,022,063.70
  4. Step 4: Simplify right side
    103,520,975.70x = 8,536,650,483,702,620
  5. Step 5: Solve for x
    x = 8,536,650,483,702,620/103,520,975.70
  6. Step 6: Final answer
    x = 82,463,002.56

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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.