Home / 80,546,169.76-111,145,429.20-45,258,370.72

Finding the Fourth Proportional to 80,546,169.76, 111,145,429.20 and 45,258,370.72

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Solution

The fourth proportional to 80,546,169.76, 111,145,429.20 and 45,258,370.72 is: 62,451,896.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,546,169.76 : 111,145,429.20 = 45,258,370.72 : x
  2. Step 2: Convert to fraction form
    80,546,169.76/111,145,429.20 = 45,258,370.72/x
  3. Step 3: Cross multiply
    80,546,169.76x = 111,145,429.20 × 45,258,370.72
  4. Step 4: Simplify right side
    80,546,169.76x = 5,030,261,038,567,113
  5. Step 5: Solve for x
    x = 5,030,261,038,567,113/80,546,169.76
  6. Step 6: Final answer
    x = 62,451,896.27

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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.