Home / 192,458,337.60-288,262,353.60-77,383,646.40

Finding the Fourth Proportional to 192,458,337.60, 288,262,353.60 and 77,383,646.40

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Solution

The fourth proportional to 192,458,337.60, 288,262,353.60 and 77,383,646.40 is: 115,904,524.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,458,337.60 : 288,262,353.60 = 77,383,646.40 : x
  2. Step 2: Convert to fraction form
    192,458,337.60/288,262,353.60 = 77,383,646.40/x
  3. Step 3: Cross multiply
    192,458,337.60x = 288,262,353.60 × 77,383,646.40
  4. Step 4: Simplify right side
    192,458,337.60x = 22,306,792,041,414,172
  5. Step 5: Solve for x
    x = 22,306,792,041,414,172/192,458,337.60
  6. Step 6: Final answer
    x = 115,904,524.17

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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.