Home / 55,398,843.96-76,454,360.74-30,618,498.26

Finding the Fourth Proportional to 55,398,843.96, 76,454,360.74 and 30,618,498.26

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Solution

The fourth proportional to 55,398,843.96, 76,454,360.74 and 30,618,498.26 is: 42,255,714.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,398,843.96 : 76,454,360.74 = 30,618,498.26 : x
  2. Step 2: Convert to fraction form
    55,398,843.96/76,454,360.74 = 30,618,498.26/x
  3. Step 3: Cross multiply
    55,398,843.96x = 76,454,360.74 × 30,618,498.26
  4. Step 4: Simplify right side
    55,398,843.96x = 2,340,917,711,287,102.50
  5. Step 5: Solve for x
    x = 2,340,917,711,287,102.50/55,398,843.96
  6. Step 6: Final answer
    x = 42,255,714.09

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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.