Home / 165,402,319.20-248,103,478.80-119,485,816.80

Finding the Fourth Proportional to 165,402,319.20, 248,103,478.80 and 119,485,816.80

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Solution

The fourth proportional to 165,402,319.20, 248,103,478.80 and 119,485,816.80 is: 179,228,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,402,319.20 : 248,103,478.80 = 119,485,816.80 : x
  2. Step 2: Convert to fraction form
    165,402,319.20/248,103,478.80 = 119,485,816.80/x
  3. Step 3: Cross multiply
    165,402,319.20x = 248,103,478.80 × 119,485,816.80
  4. Step 4: Simplify right side
    165,402,319.20x = 29,644,846,815,339,484
  5. Step 5: Solve for x
    x = 29,644,846,815,339,484/165,402,319.20
  6. Step 6: Final answer
    x = 179,228,725.20

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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.