Home / 68,310,731,012.94-102,332,651,553.09-47,059,425,789.66

Finding the Fourth Proportional to 68,310,731,012.94, 102,332,651,553.09 and 47,059,425,789.66

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Solution

The fourth proportional to 68,310,731,012.94, 102,332,651,553.09 and 47,059,425,789.66 is: 70,497,208,128.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,310,731,012.94 : 102,332,651,553.09 = 47,059,425,789.66 : x
  2. Step 2: Convert to fraction form
    68,310,731,012.94/102,332,651,553.09 = 47,059,425,789.66/x
  3. Step 3: Cross multiply
    68,310,731,012.94x = 102,332,651,553.09 × 47,059,425,789.66
  4. Step 4: Simplify right side
    68,310,731,012.94x = 4,815,715,821,621,774,123,008
  5. Step 5: Solve for x
    x = 4,815,715,821,621,774,123,008/68,310,731,012.94
  6. Step 6: Final answer
    x = 70,497,208,128.39

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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.