Home / 161,379,700.38-242,068,745.47-63,021,400.62

Finding the Fourth Proportional to 161,379,700.38, 242,068,745.47 and 63,021,400.62

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Solution

The fourth proportional to 161,379,700.38, 242,068,745.47 and 63,021,400.62 is: 94,531,786.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,379,700.38 : 242,068,745.47 = 63,021,400.62 : x
  2. Step 2: Convert to fraction form
    161,379,700.38/242,068,745.47 = 63,021,400.62/x
  3. Step 3: Cross multiply
    161,379,700.38x = 242,068,745.47 × 63,021,400.62
  4. Step 4: Simplify right side
    161,379,700.38x = 15,255,511,385,732,722
  5. Step 5: Solve for x
    x = 15,255,511,385,732,722/161,379,700.38
  6. Step 6: Final answer
    x = 94,531,786.52

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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.