Home / 266,116,829.60-399,175,244.40-163,548,279.20

Finding the Fourth Proportional to 266,116,829.60, 399,175,244.40 and 163,548,279.20

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Solution

The fourth proportional to 266,116,829.60, 399,175,244.40 and 163,548,279.20 is: 245,322,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,116,829.60 : 399,175,244.40 = 163,548,279.20 : x
  2. Step 2: Convert to fraction form
    266,116,829.60/399,175,244.40 = 163,548,279.20/x
  3. Step 3: Cross multiply
    266,116,829.60x = 399,175,244.40 × 163,548,279.20
  4. Step 4: Simplify right side
    266,116,829.60x = 65,284,424,320,859,424
  5. Step 5: Solve for x
    x = 65,284,424,320,859,424/266,116,829.60
  6. Step 6: Final answer
    x = 245,322,418.80

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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.