Home / 193,956,819.60-290,935,229.40-121,255,690.80

Finding the Fourth Proportional to 193,956,819.60, 290,935,229.40 and 121,255,690.80

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Solution

The fourth proportional to 193,956,819.60, 290,935,229.40 and 121,255,690.80 is: 181,883,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,956,819.60 : 290,935,229.40 = 121,255,690.80 : x
  2. Step 2: Convert to fraction form
    193,956,819.60/290,935,229.40 = 121,255,690.80/x
  3. Step 3: Cross multiply
    193,956,819.60x = 290,935,229.40 × 121,255,690.80
  4. Step 4: Simplify right side
    193,956,819.60x = 35,277,552,218,953,464
  5. Step 5: Solve for x
    x = 35,277,552,218,953,464/193,956,819.60
  6. Step 6: Final answer
    x = 181,883,536.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.