Home / 120,422,470.30-166,177,685.37-68,210,458.90

Finding the Fourth Proportional to 120,422,470.30, 166,177,685.37 and 68,210,458.90

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Solution

The fourth proportional to 120,422,470.30, 166,177,685.37 and 68,210,458.90 is: 94,127,417.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,422,470.30 : 166,177,685.37 = 68,210,458.90 : x
  2. Step 2: Convert to fraction form
    120,422,470.30/166,177,685.37 = 68,210,458.90/x
  3. Step 3: Cross multiply
    120,422,470.30x = 166,177,685.37 × 68,210,458.90
  4. Step 4: Simplify right side
    120,422,470.30x = 11,335,056,178,027,518
  5. Step 5: Solve for x
    x = 11,335,056,178,027,518/120,422,470.30
  6. Step 6: Final answer
    x = 94,127,417.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.