Home / 272,679,050.89-376,297,511.24-155,204,379.91

Finding the Fourth Proportional to 272,679,050.89, 376,297,511.24 and 155,204,379.91

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Solution

The fourth proportional to 272,679,050.89, 376,297,511.24 and 155,204,379.91 is: 214,182,283.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,679,050.89 : 376,297,511.24 = 155,204,379.91 : x
  2. Step 2: Convert to fraction form
    272,679,050.89/376,297,511.24 = 155,204,379.91/x
  3. Step 3: Cross multiply
    272,679,050.89x = 376,297,511.24 × 155,204,379.91
  4. Step 4: Simplify right side
    272,679,050.89x = 58,403,021,892,904,432
  5. Step 5: Solve for x
    x = 58,403,021,892,904,432/272,679,050.89
  6. Step 6: Final answer
    x = 214,182,283.91

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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.