Home / 161,289,978,523.82-222,579,394,312.13-89,031,411,306.93

Finding the Fourth Proportional to 161,289,978,523.82, 222,579,394,312.13 and 89,031,411,306.93

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Solution

The fourth proportional to 161,289,978,523.82, 222,579,394,312.13 and 89,031,411,306.93 is: 122,862,919,226.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,289,978,523.82 : 222,579,394,312.13 = 89,031,411,306.93 : x
  2. Step 2: Convert to fraction form
    161,289,978,523.82/222,579,394,312.13 = 89,031,411,306.93/x
  3. Step 3: Cross multiply
    161,289,978,523.82x = 222,579,394,312.13 × 89,031,411,306.93
  4. Step 4: Simplify right side
    161,289,978,523.82x = 19,816,557,603,450,601,340,928
  5. Step 5: Solve for x
    x = 19,816,557,603,450,601,340,928/161,289,978,523.82
  6. Step 6: Final answer
    x = 122,862,919,226.71

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1.5x scale

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.