Home / 172,631,067.60-258,946,601.40-108,133,813.20

Finding the Fourth Proportional to 172,631,067.60, 258,946,601.40 and 108,133,813.20

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Solution

The fourth proportional to 172,631,067.60, 258,946,601.40 and 108,133,813.20 is: 162,200,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,631,067.60 : 258,946,601.40 = 108,133,813.20 : x
  2. Step 2: Convert to fraction form
    172,631,067.60/258,946,601.40 = 108,133,813.20/x
  3. Step 3: Cross multiply
    172,631,067.60x = 258,946,601.40 × 108,133,813.20
  4. Step 4: Simplify right side
    172,631,067.60x = 28,000,883,424,562,460
  5. Step 5: Solve for x
    x = 28,000,883,424,562,460/172,631,067.60
  6. Step 6: Final answer
    x = 162,200,719.80

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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.