Home / 269,166,085.40-403,749,128.10-87,431,634.20

Finding the Fourth Proportional to 269,166,085.40, 403,749,128.10 and 87,431,634.20

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Solution

The fourth proportional to 269,166,085.40, 403,749,128.10 and 87,431,634.20 is: 131,147,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,166,085.40 : 403,749,128.10 = 87,431,634.20 : x
  2. Step 2: Convert to fraction form
    269,166,085.40/403,749,128.10 = 87,431,634.20/x
  3. Step 3: Cross multiply
    269,166,085.40x = 403,749,128.10 × 87,431,634.20
  4. Step 4: Simplify right side
    269,166,085.40x = 35,300,446,076,608,144
  5. Step 5: Solve for x
    x = 35,300,446,076,608,144/269,166,085.40
  6. Step 6: Final answer
    x = 131,147,451.30

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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.