Home / 160,242,364.80-221,131,814.40-90,625,132.80

Finding the Fourth Proportional to 160,242,364.80, 221,131,814.40 and 90,625,132.80

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Solution

The fourth proportional to 160,242,364.80, 221,131,814.40 and 90,625,132.80 is: 125,061,185.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,242,364.80 : 221,131,814.40 = 90,625,132.80 : x
  2. Step 2: Convert to fraction form
    160,242,364.80/221,131,814.40 = 90,625,132.80/x
  3. Step 3: Cross multiply
    160,242,364.80x = 221,131,814.40 × 90,625,132.80
  4. Step 4: Simplify right side
    160,242,364.80x = 20,040,100,046,304,952
  5. Step 5: Solve for x
    x = 20,040,100,046,304,952/160,242,364.80
  6. Step 6: Final answer
    x = 125,061,185.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.