Home / 68,835,701.12-103,223,252.04-36,480,022.96

Finding the Fourth Proportional to 68,835,701.12, 103,223,252.04 and 36,480,022.96

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Solution

The fourth proportional to 68,835,701.12, 103,223,252.04 and 36,480,022.96 is: 54,703,976.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,835,701.12 : 103,223,252.04 = 36,480,022.96 : x
  2. Step 2: Convert to fraction form
    68,835,701.12/103,223,252.04 = 36,480,022.96/x
  3. Step 3: Cross multiply
    68,835,701.12x = 103,223,252.04 × 36,480,022.96
  4. Step 4: Simplify right side
    68,835,701.12x = 3,765,586,604,425,067
  5. Step 5: Solve for x
    x = 3,765,586,604,425,067/68,835,701.12
  6. Step 6: Final answer
    x = 54,703,976.91

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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.