Home / 330,749,829.38-496,199,487.35-109,420,650.10

Finding the Fourth Proportional to 330,749,829.38, 496,199,487.35 and 109,420,650.10

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Solution

The fourth proportional to 330,749,829.38, 496,199,487.35 and 109,420,650.10 is: 164,155,702.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,749,829.38 : 496,199,487.35 = 109,420,650.10 : x
  2. Step 2: Convert to fraction form
    330,749,829.38/496,199,487.35 = 109,420,650.10/x
  3. Step 3: Cross multiply
    330,749,829.38x = 496,199,487.35 × 109,420,650.10
  4. Step 4: Simplify right side
    330,749,829.38x = 54,294,470,485,123,728
  5. Step 5: Solve for x
    x = 54,294,470,485,123,728/330,749,829.38
  6. Step 6: Final answer
    x = 164,155,702.17

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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.