Home / 45,465,231.82-68,240,963.36-28,141,028.52

Finding the Fourth Proportional to 45,465,231.82, 68,240,963.36 and 28,141,028.52

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Solution

The fourth proportional to 45,465,231.82, 68,240,963.36 and 28,141,028.52 is: 42,238,229.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,465,231.82 : 68,240,963.36 = 28,141,028.52 : x
  2. Step 2: Convert to fraction form
    45,465,231.82/68,240,963.36 = 28,141,028.52/x
  3. Step 3: Cross multiply
    45,465,231.82x = 68,240,963.36 × 28,141,028.52
  4. Step 4: Simplify right side
    45,465,231.82x = 1,920,370,896,146,035
  5. Step 5: Solve for x
    x = 1,920,370,896,146,035/45,465,231.82
  6. Step 6: Final answer
    x = 42,238,229.51

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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.