Home / 298,647,261.81-412,112,176.25-166,482,412.20

Finding the Fourth Proportional to 298,647,261.81, 412,112,176.25 and 166,482,412.20

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Solution

The fourth proportional to 298,647,261.81, 412,112,176.25 and 166,482,412.20 is: 229,733,997.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,647,261.81 : 412,112,176.25 = 166,482,412.20 : x
  2. Step 2: Convert to fraction form
    298,647,261.81/412,112,176.25 = 166,482,412.20/x
  3. Step 3: Cross multiply
    298,647,261.81x = 412,112,176.25 × 166,482,412.20
  4. Step 4: Simplify right side
    298,647,261.81x = 68,609,429,198,259,136
  5. Step 5: Solve for x
    x = 68,609,429,198,259,136/298,647,261.81
  6. Step 6: Final answer
    x = 229,733,997.17

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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.