Home / 198,044,793.60-297,067,190.40-189,648,025.80

Finding the Fourth Proportional to 198,044,793.60, 297,067,190.40 and 189,648,025.80

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Solution

The fourth proportional to 198,044,793.60, 297,067,190.40 and 189,648,025.80 is: 284,472,038.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,044,793.60 : 297,067,190.40 = 189,648,025.80 : x
  2. Step 2: Convert to fraction form
    198,044,793.60/297,067,190.40 = 189,648,025.80/x
  3. Step 3: Cross multiply
    198,044,793.60x = 297,067,190.40 × 189,648,025.80
  4. Step 4: Simplify right side
    198,044,793.60x = 56,338,206,189,312,712
  5. Step 5: Solve for x
    x = 56,338,206,189,312,712/198,044,793.60
  6. Step 6: Final answer
    x = 284,472,038.70

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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.