Home / 266,691,343.20-400,037,014.80-157,404,328.80

Finding the Fourth Proportional to 266,691,343.20, 400,037,014.80 and 157,404,328.80

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Solution

The fourth proportional to 266,691,343.20, 400,037,014.80 and 157,404,328.80 is: 236,106,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,691,343.20 : 400,037,014.80 = 157,404,328.80 : x
  2. Step 2: Convert to fraction form
    266,691,343.20/400,037,014.80 = 157,404,328.80/x
  3. Step 3: Cross multiply
    266,691,343.20x = 400,037,014.80 × 157,404,328.80
  4. Step 4: Simplify right side
    266,691,343.20x = 62,967,557,809,749,672
  5. Step 5: Solve for x
    x = 62,967,557,809,749,672/266,691,343.20
  6. Step 6: Final answer
    x = 236,106,493.20

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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.