Home / 142,478,800,151.98-213,754,375,010.83-65,956,413,190.73

Finding the Fourth Proportional to 142,478,800,151.98, 213,754,375,010.83 and 65,956,413,190.73

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Solution

The fourth proportional to 142,478,800,151.98, 213,754,375,010.83 and 65,956,413,190.73 is: 98,951,365,848.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,478,800,151.98 : 213,754,375,010.83 = 65,956,413,190.73 : x
  2. Step 2: Convert to fraction form
    142,478,800,151.98/213,754,375,010.83 = 65,956,413,190.73/x
  3. Step 3: Cross multiply
    142,478,800,151.98x = 213,754,375,010.83 × 65,956,413,190.73
  4. Step 4: Simplify right side
    142,478,800,151.98x = 14,098,471,879,540,555,644,928
  5. Step 5: Solve for x
    x = 14,098,471,879,540,555,644,928/142,478,800,151.98
  6. Step 6: Final answer
    x = 98,951,365,848.83

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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.