Home / 198,787,020.62-274,355,911.93-151,023,677.22

Finding the Fourth Proportional to 198,787,020.62, 274,355,911.93 and 151,023,677.22

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Solution

The fourth proportional to 198,787,020.62, 274,355,911.93 and 151,023,677.22 is: 208,435,332.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,787,020.62 : 274,355,911.93 = 151,023,677.22 : x
  2. Step 2: Convert to fraction form
    198,787,020.62/274,355,911.93 = 151,023,677.22/x
  3. Step 3: Cross multiply
    198,787,020.62x = 274,355,911.93 × 151,023,677.22
  4. Step 4: Simplify right side
    198,787,020.62x = 41,434,238,687,691,376
  5. Step 5: Solve for x
    x = 41,434,238,687,691,376/198,787,020.62
  6. Step 6: Final answer
    x = 208,435,332.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.