Home / 55,354,582.80-76,388,867.88-30,236,712.72

Finding the Fourth Proportional to 55,354,582.80, 76,388,867.88 and 30,236,712.72

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Solution

The fourth proportional to 55,354,582.80, 76,388,867.88 and 30,236,712.72 is: 41,726,414.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,354,582.80 : 76,388,867.88 = 30,236,712.72 : x
  2. Step 2: Convert to fraction form
    55,354,582.80/76,388,867.88 = 30,236,712.72/x
  3. Step 3: Cross multiply
    55,354,582.80x = 76,388,867.88 × 30,236,712.72
  4. Step 4: Simplify right side
    55,354,582.80x = 2,309,748,253,093,595
  5. Step 5: Solve for x
    x = 2,309,748,253,093,595/55,354,582.80
  6. Step 6: Final answer
    x = 41,726,414.26

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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.