Home / 87,879,790.43-131,848,988.79-58,451,994.71

Finding the Fourth Proportional to 87,879,790.43, 131,848,988.79 and 58,451,994.71

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Solution

The fourth proportional to 87,879,790.43, 131,848,988.79 and 58,451,994.71 is: 87,697,482.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,879,790.43 : 131,848,988.79 = 58,451,994.71 : x
  2. Step 2: Convert to fraction form
    87,879,790.43/131,848,988.79 = 58,451,994.71/x
  3. Step 3: Cross multiply
    87,879,790.43x = 131,848,988.79 × 58,451,994.71
  4. Step 4: Simplify right side
    87,879,790.43x = 7,706,836,396,067,963
  5. Step 5: Solve for x
    x = 7,706,836,396,067,963/87,879,790.43
  6. Step 6: Final answer
    x = 87,697,482.64

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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.