Home / 313,301,864.45-432,368,241.21-187,874,481.14

Finding the Fourth Proportional to 313,301,864.45, 432,368,241.21 and 187,874,481.14

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Solution

The fourth proportional to 313,301,864.45, 432,368,241.21 and 187,874,481.14 is: 259,273,780.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,301,864.45 : 432,368,241.21 = 187,874,481.14 : x
  2. Step 2: Convert to fraction form
    313,301,864.45/432,368,241.21 = 187,874,481.14/x
  3. Step 3: Cross multiply
    313,301,864.45x = 432,368,241.21 × 187,874,481.14
  4. Step 4: Simplify right side
    313,301,864.45x = 81,230,958,977,050,960
  5. Step 5: Solve for x
    x = 81,230,958,977,050,960/313,301,864.45
  6. Step 6: Final answer
    x = 259,273,780.96

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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.