Home / 79,034,103.76-109,068,354.48-43,269,947.77

Finding the Fourth Proportional to 79,034,103.76, 109,068,354.48 and 43,269,947.77

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Solution

The fourth proportional to 79,034,103.76, 109,068,354.48 and 43,269,947.77 is: 59,713,234.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,034,103.76 : 109,068,354.48 = 43,269,947.77 : x
  2. Step 2: Convert to fraction form
    79,034,103.76/109,068,354.48 = 43,269,947.77/x
  3. Step 3: Cross multiply
    79,034,103.76x = 109,068,354.48 × 43,269,947.77
  4. Step 4: Simplify right side
    79,034,103.76x = 4,719,382,001,709,446
  5. Step 5: Solve for x
    x = 4,719,382,001,709,446/79,034,103.76
  6. Step 6: Final answer
    x = 59,713,234.88

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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.