Home / 219,810,580.20-329,763,692.70-66,452,632.20

Finding the Fourth Proportional to 219,810,580.20, 329,763,692.70 and 66,452,632.20

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Solution

The fourth proportional to 219,810,580.20, 329,763,692.70 and 66,452,632.20 is: 99,693,405.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,810,580.20 : 329,763,692.70 = 66,452,632.20 : x
  2. Step 2: Convert to fraction form
    219,810,580.20/329,763,692.70 = 66,452,632.20/x
  3. Step 3: Cross multiply
    219,810,580.20x = 329,763,692.70 × 66,452,632.20
  4. Step 4: Simplify right side
    219,810,580.20x = 21,913,665,383,906,924
  5. Step 5: Solve for x
    x = 21,913,665,383,906,924/219,810,580.20
  6. Step 6: Final answer
    x = 99,693,405.86

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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.