Home / 42,408,682.32-63,554,170.51-19,323,198.97

Finding the Fourth Proportional to 42,408,682.32, 63,554,170.51 and 19,323,198.97

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Solution

The fourth proportional to 42,408,682.32, 63,554,170.51 and 19,323,198.97 is: 28,957,982.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,408,682.32 : 63,554,170.51 = 19,323,198.97 : x
  2. Step 2: Convert to fraction form
    42,408,682.32/63,554,170.51 = 19,323,198.97/x
  3. Step 3: Cross multiply
    42,408,682.32x = 63,554,170.51 × 19,323,198.97
  4. Step 4: Simplify right side
    42,408,682.32x = 1,228,069,882,138,036.25
  5. Step 5: Solve for x
    x = 1,228,069,882,138,036.25/42,408,682.32
  6. Step 6: Final answer
    x = 28,957,982.54

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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.