Home / 113,189,980.77-169,820,859.83-40,405,199.22

Finding the Fourth Proportional to 113,189,980.77, 169,820,859.83 and 40,405,199.22

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Solution

The fourth proportional to 113,189,980.77, 169,820,859.83 and 40,405,199.22 is: 60,620,609.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,189,980.77 : 169,820,859.83 = 40,405,199.22 : x
  2. Step 2: Convert to fraction form
    113,189,980.77/169,820,859.83 = 40,405,199.22/x
  3. Step 3: Cross multiply
    113,189,980.77x = 169,820,859.83 × 40,405,199.22
  4. Step 4: Simplify right side
    113,189,980.77x = 6,861,645,672,940,819
  5. Step 5: Solve for x
    x = 6,861,645,672,940,819/113,189,980.77
  6. Step 6: Final answer
    x = 60,620,609.94

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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.