Home / 55,156,628.07-76,115,218.10-30,379,122.27

Finding the Fourth Proportional to 55,156,628.07, 76,115,218.10 and 30,379,122.27

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Solution

The fourth proportional to 55,156,628.07, 76,115,218.10 and 30,379,122.27 is: 41,922,677.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,156,628.07 : 76,115,218.10 = 30,379,122.27 : x
  2. Step 2: Convert to fraction form
    55,156,628.07/76,115,218.10 = 30,379,122.27/x
  3. Step 3: Cross multiply
    55,156,628.07x = 76,115,218.10 × 30,379,122.27
  4. Step 4: Simplify right side
    55,156,628.07x = 2,312,313,517,267,617
  5. Step 5: Solve for x
    x = 2,312,313,517,267,617/55,156,628.07
  6. Step 6: Final answer
    x = 41,922,677.26

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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.