Home / 68,467,941,072.72-94,446,502,751.22-42,702,488,992.59

Finding the Fourth Proportional to 68,467,941,072.72, 94,446,502,751.22 and 42,702,488,992.59

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Solution

The fourth proportional to 68,467,941,072.72, 94,446,502,751.22 and 42,702,488,992.59 is: 58,904,951,440.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,467,941,072.72 : 94,446,502,751.22 = 42,702,488,992.59 : x
  2. Step 2: Convert to fraction form
    68,467,941,072.72/94,446,502,751.22 = 42,702,488,992.59/x
  3. Step 3: Cross multiply
    68,467,941,072.72x = 94,446,502,751.22 × 42,702,488,992.59
  4. Step 4: Simplify right side
    68,467,941,072.72x = 4,033,100,744,122,592,919,552
  5. Step 5: Solve for x
    x = 4,033,100,744,122,592,919,552/68,467,941,072.72
  6. Step 6: Final answer
    x = 58,904,951,440.54

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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.