Home / 297,201,128.40-445,801,692.60-159,451,621.20

Finding the Fourth Proportional to 297,201,128.40, 445,801,692.60 and 159,451,621.20

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Solution

The fourth proportional to 297,201,128.40, 445,801,692.60 and 159,451,621.20 is: 239,177,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,201,128.40 : 445,801,692.60 = 159,451,621.20 : x
  2. Step 2: Convert to fraction form
    297,201,128.40/445,801,692.60 = 159,451,621.20/x
  3. Step 3: Cross multiply
    297,201,128.40x = 445,801,692.60 × 159,451,621.20
  4. Step 4: Simplify right side
    297,201,128.40x = 71,083,802,618,774,040
  5. Step 5: Solve for x
    x = 71,083,802,618,774,040/297,201,128.40
  6. Step 6: Final answer
    x = 239,177,431.80

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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.