Home / 54,120,915.42-81,194,920.69-15,782,433.90

Finding the Fourth Proportional to 54,120,915.42, 81,194,920.69 and 15,782,433.90

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Solution

The fourth proportional to 54,120,915.42, 81,194,920.69 and 15,782,433.90 is: 23,677,601.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,120,915.42 : 81,194,920.69 = 15,782,433.90 : x
  2. Step 2: Convert to fraction form
    54,120,915.42/81,194,920.69 = 15,782,433.90/x
  3. Step 3: Cross multiply
    54,120,915.42x = 81,194,920.69 × 15,782,433.90
  4. Step 4: Simplify right side
    54,120,915.42x = 1,281,453,468,805,667.50
  5. Step 5: Solve for x
    x = 1,281,453,468,805,667.50/54,120,915.42
  6. Step 6: Final answer
    x = 23,677,601.51

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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.