Home / 126,562,835.22-189,861,899.49-39,131,490.30

Finding the Fourth Proportional to 126,562,835.22, 189,861,899.49 and 39,131,490.30

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Solution

The fourth proportional to 126,562,835.22, 189,861,899.49 and 39,131,490.30 is: 58,702,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,562,835.22 : 189,861,899.49 = 39,131,490.30 : x
  2. Step 2: Convert to fraction form
    126,562,835.22/189,861,899.49 = 39,131,490.30/x
  3. Step 3: Cross multiply
    126,562,835.22x = 189,861,899.49 × 39,131,490.30
  4. Step 4: Simplify right side
    126,562,835.22x = 7,429,579,078,232,510
  5. Step 5: Solve for x
    x = 7,429,579,078,232,510/126,562,835.22
  6. Step 6: Final answer
    x = 58,702,691.55

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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.