Home / 119,840,720.76-165,494,413.20-113,311,874.68

Finding the Fourth Proportional to 119,840,720.76, 165,494,413.20 and 113,311,874.68

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Solution

The fourth proportional to 119,840,720.76, 165,494,413.20 and 113,311,874.68 is: 156,478,383.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,840,720.76 : 165,494,413.20 = 113,311,874.68 : x
  2. Step 2: Convert to fraction form
    119,840,720.76/165,494,413.20 = 113,311,874.68/x
  3. Step 3: Cross multiply
    119,840,720.76x = 165,494,413.20 × 113,311,874.68
  4. Step 4: Simplify right side
    119,840,720.76x = 18,752,482,208,758,536
  5. Step 5: Solve for x
    x = 18,752,482,208,758,536/119,840,720.76
  6. Step 6: Final answer
    x = 156,478,383.06

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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.