Home / 219,491,747.51-329,237,763.39-55,741,784.63

Finding the Fourth Proportional to 219,491,747.51, 329,237,763.39 and 55,741,784.63

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Solution

The fourth proportional to 219,491,747.51, 329,237,763.39 and 55,741,784.63 is: 83,612,713.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,491,747.51 : 329,237,763.39 = 55,741,784.63 : x
  2. Step 2: Convert to fraction form
    219,491,747.51/329,237,763.39 = 55,741,784.63/x
  3. Step 3: Cross multiply
    219,491,747.51x = 329,237,763.39 × 55,741,784.63
  4. Step 4: Simplify right side
    219,491,747.51x = 18,352,300,497,302,088
  5. Step 5: Solve for x
    x = 18,352,300,497,302,088/219,491,747.51
  6. Step 6: Final answer
    x = 83,612,713.03

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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.