Home / 120,967,483,892.12-166,934,545,733.06-66,773,558,479.45

Finding the Fourth Proportional to 120,967,483,892.12, 166,934,545,733.06 and 66,773,558,479.45

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Solution

The fourth proportional to 120,967,483,892.12, 166,934,545,733.06 and 66,773,558,479.45 is: 92,147,189,418.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,967,483,892.12 : 166,934,545,733.06 = 66,773,558,479.45 : x
  2. Step 2: Convert to fraction form
    120,967,483,892.12/166,934,545,733.06 = 66,773,558,479.45/x
  3. Step 3: Cross multiply
    120,967,483,892.12x = 166,934,545,733.06 × 66,773,558,479.45
  4. Step 4: Simplify right side
    120,967,483,892.12x = 11,146,813,651,746,067,316,736
  5. Step 5: Solve for x
    x = 11,146,813,651,746,067,316,736/120,967,483,892.12
  6. Step 6: Final answer
    x = 92,147,189,418.99

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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.