Home / 172,413,862.40-258,620,793.60-141,802,860.80

Finding the Fourth Proportional to 172,413,862.40, 258,620,793.60 and 141,802,860.80

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Solution

The fourth proportional to 172,413,862.40, 258,620,793.60 and 141,802,860.80 is: 212,704,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,413,862.40 : 258,620,793.60 = 141,802,860.80 : x
  2. Step 2: Convert to fraction form
    172,413,862.40/258,620,793.60 = 141,802,860.80/x
  3. Step 3: Cross multiply
    172,413,862.40x = 258,620,793.60 × 141,802,860.80
  4. Step 4: Simplify right side
    172,413,862.40x = 36,673,168,394,846,336
  5. Step 5: Solve for x
    x = 36,673,168,394,846,336/172,413,862.40
  6. Step 6: Final answer
    x = 212,704,291.20

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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.