Home / 55,396,006.50-76,446,521.37-30,949,720.50

Finding the Fourth Proportional to 55,396,006.50, 76,446,521.37 and 30,949,720.50

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Solution

The fourth proportional to 55,396,006.50, 76,446,521.37 and 30,949,720.50 is: 42,710,632.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,396,006.50 : 76,446,521.37 = 30,949,720.50 : x
  2. Step 2: Convert to fraction form
    55,396,006.50/76,446,521.37 = 30,949,720.50/x
  3. Step 3: Cross multiply
    55,396,006.50x = 76,446,521.37 × 30,949,720.50
  4. Step 4: Simplify right side
    55,396,006.50x = 2,365,998,469,598,777
  5. Step 5: Solve for x
    x = 2,365,998,469,598,777/55,396,006.50
  6. Step 6: Final answer
    x = 42,710,632.39

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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.