Home / 219,903,348.10-329,855,022.15-83,571,016.90

Finding the Fourth Proportional to 219,903,348.10, 329,855,022.15 and 83,571,016.90

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Solution

The fourth proportional to 219,903,348.10, 329,855,022.15 and 83,571,016.90 is: 125,356,525.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,903,348.10 : 329,855,022.15 = 83,571,016.90 : x
  2. Step 2: Convert to fraction form
    219,903,348.10/329,855,022.15 = 83,571,016.90/x
  3. Step 3: Cross multiply
    219,903,348.10x = 329,855,022.15 × 83,571,016.90
  4. Step 4: Simplify right side
    219,903,348.10x = 27,566,319,630,647,524
  5. Step 5: Solve for x
    x = 27,566,319,630,647,524/219,903,348.10
  6. Step 6: Final answer
    x = 125,356,525.35

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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.