Home / 267,328,986.40-400,937,492.40-131,112,128.80

Finding the Fourth Proportional to 267,328,986.40, 400,937,492.40 and 131,112,128.80

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Solution

The fourth proportional to 267,328,986.40, 400,937,492.40 and 131,112,128.80 is: 196,640,734.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,328,986.40 : 400,937,492.40 = 131,112,128.80 : x
  2. Step 2: Convert to fraction form
    267,328,986.40/400,937,492.40 = 131,112,128.80/x
  3. Step 3: Cross multiply
    267,328,986.40x = 400,937,492.40 × 131,112,128.80
  4. Step 4: Simplify right side
    267,328,986.40x = 52,567,768,144,297,816
  5. Step 5: Solve for x
    x = 52,567,768,144,297,816/267,328,986.40
  6. Step 6: Final answer
    x = 196,640,734.15

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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.