Home / 345,608,500.78-518,413,250.09-141,136,576.03

Finding the Fourth Proportional to 345,608,500.78, 518,413,250.09 and 141,136,576.03

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Solution

The fourth proportional to 345,608,500.78, 518,413,250.09 and 141,136,576.03 is: 211,705,067.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,608,500.78 : 518,413,250.09 = 141,136,576.03 : x
  2. Step 2: Convert to fraction form
    345,608,500.78/518,413,250.09 = 141,136,576.03/x
  3. Step 3: Cross multiply
    345,608,500.78x = 518,413,250.09 × 141,136,576.03
  4. Step 4: Simplify right side
    345,608,500.78x = 73,167,071,085,343,488
  5. Step 5: Solve for x
    x = 73,167,071,085,343,488/345,608,500.78
  6. Step 6: Final answer
    x = 211,705,067.79

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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.