Home / 130,385,024.20-179,932,765.62-71,647,704.52

Finding the Fourth Proportional to 130,385,024.20, 179,932,765.62 and 71,647,704.52

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Solution

The fourth proportional to 130,385,024.20, 179,932,765.62 and 71,647,704.52 is: 98,874,619.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,385,024.20 : 179,932,765.62 = 71,647,704.52 : x
  2. Step 2: Convert to fraction form
    130,385,024.20/179,932,765.62 = 71,647,704.52/x
  3. Step 3: Cross multiply
    130,385,024.20x = 179,932,765.62 × 71,647,704.52
  4. Step 4: Simplify right side
    130,385,024.20x = 12,891,769,624,608,174
  5. Step 5: Solve for x
    x = 12,891,769,624,608,174/130,385,024.20
  6. Step 6: Final answer
    x = 98,874,619.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.