Home / 197,990,854.80-297,269,717.40-111,897,412.80

Finding the Fourth Proportional to 197,990,854.80, 297,269,717.40 and 111,897,412.80

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Solution

The fourth proportional to 197,990,854.80, 297,269,717.40 and 111,897,412.80 is: 168,006,306.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,990,854.80 : 297,269,717.40 = 111,897,412.80 : x
  2. Step 2: Convert to fraction form
    197,990,854.80/297,269,717.40 = 111,897,412.80/x
  3. Step 3: Cross multiply
    197,990,854.80x = 297,269,717.40 × 111,897,412.80
  4. Step 4: Simplify right side
    197,990,854.80x = 33,263,712,280,847,140
  5. Step 5: Solve for x
    x = 33,263,712,280,847,140/197,990,854.80
  6. Step 6: Final answer
    x = 168,006,306.73

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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.