Home / 75,813,787.56-113,734,854.31-30,379,125

Finding the Fourth Proportional to 75,813,787.56, 113,734,854.31 and 30,379,125

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Solution

The fourth proportional to 75,813,787.56, 113,734,854.31 and 30,379,125 is: 45,574,366.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,813,787.56 : 113,734,854.31 = 30,379,125 : x
  2. Step 2: Convert to fraction form
    75,813,787.56/113,734,854.31 = 30,379,125/x
  3. Step 3: Cross multiply
    75,813,787.56x = 113,734,854.31 × 30,379,125
  4. Step 4: Simplify right side
    75,813,787.56x = 3,455,165,355,940,279
  5. Step 5: Solve for x
    x = 3,455,165,355,940,279/75,813,787.56
  6. Step 6: Final answer
    x = 45,574,366.71

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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.