Home / 76,421,917.26-114,526,820.88-34,821,126.72

Finding the Fourth Proportional to 76,421,917.26, 114,526,820.88 and 34,821,126.72

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Solution

The fourth proportional to 76,421,917.26, 114,526,820.88 and 34,821,126.72 is: 52,183,366.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,421,917.26 : 114,526,820.88 = 34,821,126.72 : x
  2. Step 2: Convert to fraction form
    76,421,917.26/114,526,820.88 = 34,821,126.72/x
  3. Step 3: Cross multiply
    76,421,917.26x = 114,526,820.88 × 34,821,126.72
  4. Step 4: Simplify right side
    76,421,917.26x = 3,987,952,942,701,221.50
  5. Step 5: Solve for x
    x = 3,987,952,942,701,221.50/76,421,917.26
  6. Step 6: Final answer
    x = 52,183,366.84

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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.