Home / 161,289,978,522.82-222,579,394,310.75-89,031,411,305.93

Finding the Fourth Proportional to 161,289,978,522.82, 222,579,394,310.75 and 89,031,411,305.93

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Solution

The fourth proportional to 161,289,978,522.82, 222,579,394,310.75 and 89,031,411,305.93 is: 122,862,919,225.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,289,978,522.82 : 222,579,394,310.75 = 89,031,411,305.93 : x
  2. Step 2: Convert to fraction form
    161,289,978,522.82/222,579,394,310.75 = 89,031,411,305.93/x
  3. Step 3: Cross multiply
    161,289,978,522.82x = 222,579,394,310.75 × 89,031,411,305.93
  4. Step 4: Simplify right side
    161,289,978,522.82x = 19,816,557,603,105,158,463,488
  5. Step 5: Solve for x
    x = 19,816,557,603,105,158,463,488/161,289,978,522.82
  6. Step 6: Final answer
    x = 122,862,919,225.33

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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.