Home / 53,905,378.90-80,858,068.35-15,568,143.70

Finding the Fourth Proportional to 53,905,378.90, 80,858,068.35 and 15,568,143.70

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Solution

The fourth proportional to 53,905,378.90, 80,858,068.35 and 15,568,143.70 is: 23,352,215.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,905,378.90 : 80,858,068.35 = 15,568,143.70 : x
  2. Step 2: Convert to fraction form
    53,905,378.90/80,858,068.35 = 15,568,143.70/x
  3. Step 3: Cross multiply
    53,905,378.90x = 80,858,068.35 × 15,568,143.70
  4. Step 4: Simplify right side
    53,905,378.90x = 1,258,810,027,377,221.75
  5. Step 5: Solve for x
    x = 1,258,810,027,377,221.75/53,905,378.90
  6. Step 6: Final answer
    x = 23,352,215.55

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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.