Home / 83,643,786.10-125,297,717.55-47,700,003.70

Finding the Fourth Proportional to 83,643,786.10, 125,297,717.55 and 47,700,003.70

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Solution

The fourth proportional to 83,643,786.10, 125,297,717.55 and 47,700,003.70 is: 71,454,221.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,643,786.10 : 125,297,717.55 = 47,700,003.70 : x
  2. Step 2: Convert to fraction form
    83,643,786.10/125,297,717.55 = 47,700,003.70/x
  3. Step 3: Cross multiply
    83,643,786.10x = 125,297,717.55 × 47,700,003.70
  4. Step 4: Simplify right side
    83,643,786.10x = 5,976,701,590,736,555
  5. Step 5: Solve for x
    x = 5,976,701,590,736,555/83,643,786.10
  6. Step 6: Final answer
    x = 71,454,221.16

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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.