Home / 309,114,857.76-426,588,103.44-169,883,089.44

Finding the Fourth Proportional to 309,114,857.76, 426,588,103.44 and 169,883,089.44

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Solution

The fourth proportional to 309,114,857.76, 426,588,103.44 and 169,883,089.44 is: 234,443,939.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,114,857.76 : 426,588,103.44 = 169,883,089.44 : x
  2. Step 2: Convert to fraction form
    309,114,857.76/426,588,103.44 = 169,883,089.44/x
  3. Step 3: Cross multiply
    309,114,857.76x = 426,588,103.44 × 169,883,089.44
  4. Step 4: Simplify right side
    309,114,857.76x = 72,470,104,930,737,488
  5. Step 5: Solve for x
    x = 72,470,104,930,737,488/309,114,857.76
  6. Step 6: Final answer
    x = 234,443,939.24

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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.