Home / 135,033,355,897.92-202,568,659,945.92-78,399,890,282.88

Finding the Fourth Proportional to 135,033,355,897.92, 202,568,659,945.92 and 78,399,890,282.88

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Solution

The fourth proportional to 135,033,355,897.92, 202,568,659,945.92 and 78,399,890,282.88 is: 117,610,649,671.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,033,355,897.92 : 202,568,659,945.92 = 78,399,890,282.88 : x
  2. Step 2: Convert to fraction form
    135,033,355,897.92/202,568,659,945.92 = 78,399,890,282.88/x
  3. Step 3: Cross multiply
    135,033,355,897.92x = 202,568,659,945.92 × 78,399,890,282.88
  4. Step 4: Simplify right side
    135,033,355,897.92x = 15,881,360,714,510,159,052,800
  5. Step 5: Solve for x
    x = 15,881,360,714,510,159,052,800/135,033,355,897.92
  6. Step 6: Final answer
    x = 117,610,649,671.74

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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.