Home / 222,030,120.33-306,403,990.72-122,912,523.50

Finding the Fourth Proportional to 222,030,120.33, 306,403,990.72 and 122,912,523.50

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Solution

The fourth proportional to 222,030,120.33, 306,403,990.72 and 122,912,523.50 is: 169,620,624.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,030,120.33 : 306,403,990.72 = 122,912,523.50 : x
  2. Step 2: Convert to fraction form
    222,030,120.33/306,403,990.72 = 122,912,523.50/x
  3. Step 3: Cross multiply
    222,030,120.33x = 306,403,990.72 × 122,912,523.50
  4. Step 4: Simplify right side
    222,030,120.33x = 37,660,887,708,026,480
  5. Step 5: Solve for x
    x = 37,660,887,708,026,480/222,030,120.33
  6. Step 6: Final answer
    x = 169,620,624.68

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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.