Home / 67,313,741.29-100,763,520.24-43,920,112.03

Finding the Fourth Proportional to 67,313,741.29, 100,763,520.24 and 43,920,112.03

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Solution

The fourth proportional to 67,313,741.29, 100,763,520.24 and 43,920,112.03 is: 65,745,047.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,313,741.29 : 100,763,520.24 = 43,920,112.03 : x
  2. Step 2: Convert to fraction form
    67,313,741.29/100,763,520.24 = 43,920,112.03/x
  3. Step 3: Cross multiply
    67,313,741.29x = 100,763,520.24 × 43,920,112.03
  4. Step 4: Simplify right side
    67,313,741.29x = 4,425,545,097,477,972.50
  5. Step 5: Solve for x
    x = 4,425,545,097,477,972.50/67,313,741.29
  6. Step 6: Final answer
    x = 65,745,047.19

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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.