Home / 142,478,800,150.98-213,754,375,009.33-65,956,413,189.73

Finding the Fourth Proportional to 142,478,800,150.98, 213,754,375,009.33 and 65,956,413,189.73

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Solution

The fourth proportional to 142,478,800,150.98, 213,754,375,009.33 and 65,956,413,189.73 is: 98,951,365,847.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,478,800,150.98 : 213,754,375,009.33 = 65,956,413,189.73 : x
  2. Step 2: Convert to fraction form
    142,478,800,150.98/213,754,375,009.33 = 65,956,413,189.73/x
  3. Step 3: Cross multiply
    142,478,800,150.98x = 213,754,375,009.33 × 65,956,413,189.73
  4. Step 4: Simplify right side
    142,478,800,150.98x = 14,098,471,879,227,866,087,424
  5. Step 5: Solve for x
    x = 14,098,471,879,227,866,087,424/142,478,800,150.98
  6. Step 6: Final answer
    x = 98,951,365,847.33

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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.