Home / 165,749,921.80-248,647,572.78-56,545,772.80

Finding the Fourth Proportional to 165,749,921.80, 248,647,572.78 and 56,545,772.80

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Solution

The fourth proportional to 165,749,921.80, 248,647,572.78 and 56,545,772.80 is: 84,826,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,749,921.80 : 248,647,572.78 = 56,545,772.80 : x
  2. Step 2: Convert to fraction form
    165,749,921.80/248,647,572.78 = 56,545,772.80/x
  3. Step 3: Cross multiply
    165,749,921.80x = 248,647,572.78 × 56,545,772.80
  4. Step 4: Simplify right side
    165,749,921.80x = 14,059,969,157,689,344
  5. Step 5: Solve for x
    x = 14,059,969,157,689,344/165,749,921.80
  6. Step 6: Final answer
    x = 84,826,399.95

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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.