Home / 201,169,773.90-301,515,512.40-180,603,007.20

Finding the Fourth Proportional to 201,169,773.90, 301,515,512.40 and 180,603,007.20

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Solution

The fourth proportional to 201,169,773.90, 301,515,512.40 and 180,603,007.20 is: 270,689,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,169,773.90 : 301,515,512.40 = 180,603,007.20 : x
  2. Step 2: Convert to fraction form
    201,169,773.90/301,515,512.40 = 180,603,007.20/x
  3. Step 3: Cross multiply
    201,169,773.90x = 301,515,512.40 × 180,603,007.20
  4. Step 4: Simplify right side
    201,169,773.90x = 54,454,608,256,888,880
  5. Step 5: Solve for x
    x = 54,454,608,256,888,880/201,169,773.90
  6. Step 6: Final answer
    x = 270,689,811.90

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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.