Home / 219,528,853.56-329,295,076.11-71,974,259.91

Finding the Fourth Proportional to 219,528,853.56, 329,295,076.11 and 71,974,259.91

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Solution

The fourth proportional to 219,528,853.56, 329,295,076.11 and 71,974,259.91 is: 107,961,978.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,528,853.56 : 329,295,076.11 = 71,974,259.91 : x
  2. Step 2: Convert to fraction form
    219,528,853.56/329,295,076.11 = 71,974,259.91/x
  3. Step 3: Cross multiply
    219,528,853.56x = 329,295,076.11 × 71,974,259.91
  4. Step 4: Simplify right side
    219,528,853.56x = 23,700,769,395,024,372
  5. Step 5: Solve for x
    x = 23,700,769,395,024,372/219,528,853.56
  6. Step 6: Final answer
    x = 107,961,978.62

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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.