Home / 219,793,534.80-329,690,302.20-90,334,507.20

Finding the Fourth Proportional to 219,793,534.80, 329,690,302.20 and 90,334,507.20

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Solution

The fourth proportional to 219,793,534.80, 329,690,302.20 and 90,334,507.20 is: 135,501,760.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,793,534.80 : 329,690,302.20 = 90,334,507.20 : x
  2. Step 2: Convert to fraction form
    219,793,534.80/329,690,302.20 = 90,334,507.20/x
  3. Step 3: Cross multiply
    219,793,534.80x = 329,690,302.20 × 90,334,507.20
  4. Step 4: Simplify right side
    219,793,534.80x = 29,782,410,977,856,076
  5. Step 5: Solve for x
    x = 29,782,410,977,856,076/219,793,534.80
  6. Step 6: Final answer
    x = 135,501,760.80

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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.