Home / 54,412,815.06-75,088,947.33-30,891,137.94

Finding the Fourth Proportional to 54,412,815.06, 75,088,947.33 and 30,891,137.94

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Solution

The fourth proportional to 54,412,815.06, 75,088,947.33 and 30,891,137.94 is: 42,629,351.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,412,815.06 : 75,088,947.33 = 30,891,137.94 : x
  2. Step 2: Convert to fraction form
    54,412,815.06/75,088,947.33 = 30,891,137.94/x
  3. Step 3: Cross multiply
    54,412,815.06x = 75,088,947.33 × 30,891,137.94
  4. Step 4: Simplify right side
    54,412,815.06x = 2,319,583,029,740,424.50
  5. Step 5: Solve for x
    x = 2,319,583,029,740,424.50/54,412,815.06
  6. Step 6: Final answer
    x = 42,629,351.69

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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.