Home / 161,289,978,522.32-222,579,394,310.07-89,031,411,305.43

Finding the Fourth Proportional to 161,289,978,522.32, 222,579,394,310.07 and 89,031,411,305.43

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Solution

The fourth proportional to 161,289,978,522.32, 222,579,394,310.07 and 89,031,411,305.43 is: 122,862,919,224.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,289,978,522.32 : 222,579,394,310.07 = 89,031,411,305.43 : x
  2. Step 2: Convert to fraction form
    161,289,978,522.32/222,579,394,310.07 = 89,031,411,305.43/x
  3. Step 3: Cross multiply
    161,289,978,522.32x = 222,579,394,310.07 × 89,031,411,305.43
  4. Step 4: Simplify right side
    161,289,978,522.32x = 19,816,557,602,933,326,217,216
  5. Step 5: Solve for x
    x = 19,816,557,602,933,326,217,216/161,289,978,522.32
  6. Step 6: Final answer
    x = 122,862,919,224.65

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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.