Home / 142,478,800,151.73-213,754,375,010.46-65,956,413,190.48

Finding the Fourth Proportional to 142,478,800,151.73, 213,754,375,010.46 and 65,956,413,190.48

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Solution

The fourth proportional to 142,478,800,151.73, 213,754,375,010.46 and 65,956,413,190.48 is: 98,951,365,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,478,800,151.73 : 213,754,375,010.46 = 65,956,413,190.48 : x
  2. Step 2: Convert to fraction form
    142,478,800,151.73/213,754,375,010.46 = 65,956,413,190.48/x
  3. Step 3: Cross multiply
    142,478,800,151.73x = 213,754,375,010.46 × 65,956,413,190.48
  4. Step 4: Simplify right side
    142,478,800,151.73x = 14,098,471,879,462,713,556,992
  5. Step 5: Solve for x
    x = 14,098,471,879,462,713,556,992/142,478,800,151.73
  6. Step 6: Final answer
    x = 98,951,365,848.45

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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.