Home / 55,404,418.64-76,456,763.06-30,285,411.44

Finding the Fourth Proportional to 55,404,418.64, 76,456,763.06 and 30,285,411.44

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Solution

The fourth proportional to 55,404,418.64, 76,456,763.06 and 30,285,411.44 is: 41,793,138.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,404,418.64 : 76,456,763.06 = 30,285,411.44 : x
  2. Step 2: Convert to fraction form
    55,404,418.64/76,456,763.06 = 30,285,411.44/x
  3. Step 3: Cross multiply
    55,404,418.64x = 76,456,763.06 × 30,285,411.44
  4. Step 4: Simplify right side
    55,404,418.64x = 2,315,524,526,642,693.50
  5. Step 5: Solve for x
    x = 2,315,524,526,642,693.50/55,404,418.64
  6. Step 6: Final answer
    x = 41,793,138.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.