Home / 99,652,120.20-149,478,180.30-53,735,617.80

Finding the Fourth Proportional to 99,652,120.20, 149,478,180.30 and 53,735,617.80

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Solution

The fourth proportional to 99,652,120.20, 149,478,180.30 and 53,735,617.80 is: 80,603,426.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,652,120.20 : 149,478,180.30 = 53,735,617.80 : x
  2. Step 2: Convert to fraction form
    99,652,120.20/149,478,180.30 = 53,735,617.80/x
  3. Step 3: Cross multiply
    99,652,120.20x = 149,478,180.30 × 53,735,617.80
  4. Step 4: Simplify right side
    99,652,120.20x = 8,032,302,366,040,290
  5. Step 5: Solve for x
    x = 8,032,302,366,040,290/99,652,120.20
  6. Step 6: Final answer
    x = 80,603,426.70

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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.