Home / 215,323,331.40-322,984,997.10-200,017,830.60

Finding the Fourth Proportional to 215,323,331.40, 322,984,997.10 and 200,017,830.60

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Solution

The fourth proportional to 215,323,331.40, 322,984,997.10 and 200,017,830.60 is: 300,026,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,323,331.40 : 322,984,997.10 = 200,017,830.60 : x
  2. Step 2: Convert to fraction form
    215,323,331.40/322,984,997.10 = 200,017,830.60/x
  3. Step 3: Cross multiply
    215,323,331.40x = 322,984,997.10 × 200,017,830.60
  4. Step 4: Simplify right side
    215,323,331.40x = 64,602,758,436,289,296
  5. Step 5: Solve for x
    x = 64,602,758,436,289,296/215,323,331.40
  6. Step 6: Final answer
    x = 300,026,745.90

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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.