Home / 172,032,167.80-258,048,251.70-139,783,540.60

Finding the Fourth Proportional to 172,032,167.80, 258,048,251.70 and 139,783,540.60

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Solution

The fourth proportional to 172,032,167.80, 258,048,251.70 and 139,783,540.60 is: 209,675,310.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,032,167.80 : 258,048,251.70 = 139,783,540.60 : x
  2. Step 2: Convert to fraction form
    172,032,167.80/258,048,251.70 = 139,783,540.60/x
  3. Step 3: Cross multiply
    172,032,167.80x = 258,048,251.70 × 139,783,540.60
  4. Step 4: Simplify right side
    172,032,167.80x = 36,070,898,268,265,968
  5. Step 5: Solve for x
    x = 36,070,898,268,265,968/172,032,167.80
  6. Step 6: Final answer
    x = 209,675,310.90

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1.5x scale

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.