Home / 145,745,107.30-218,628,963.15-48,701,161.90

Finding the Fourth Proportional to 145,745,107.30, 218,628,963.15 and 48,701,161.90

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Solution

The fourth proportional to 145,745,107.30, 218,628,963.15 and 48,701,161.90 is: 73,055,519.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,745,107.30 : 218,628,963.15 = 48,701,161.90 : x
  2. Step 2: Convert to fraction form
    145,745,107.30/218,628,963.15 = 48,701,161.90/x
  3. Step 3: Cross multiply
    145,745,107.30x = 218,628,963.15 × 48,701,161.90
  4. Step 4: Simplify right side
    145,745,107.30x = 10,647,484,530,397,284
  5. Step 5: Solve for x
    x = 10,647,484,530,397,284/145,745,107.30
  6. Step 6: Final answer
    x = 73,055,519.51

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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.