Home / 201,017,490.20-301,526,235.30-180,610,155.80

Finding the Fourth Proportional to 201,017,490.20, 301,526,235.30 and 180,610,155.80

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Solution

The fourth proportional to 201,017,490.20, 301,526,235.30 and 180,610,155.80 is: 270,915,233.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,017,490.20 : 301,526,235.30 = 180,610,155.80 : x
  2. Step 2: Convert to fraction form
    201,017,490.20/301,526,235.30 = 180,610,155.80/x
  3. Step 3: Cross multiply
    201,017,490.20x = 301,526,235.30 × 180,610,155.80
  4. Step 4: Simplify right side
    201,017,490.20x = 54,458,700,335,320,464
  5. Step 5: Solve for x
    x = 54,458,700,335,320,464/201,017,490.20
  6. Step 6: Final answer
    x = 270,915,233.70

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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.