Home / 119,200,965,902.14-178,729,430,739.09-47,501,510,386.18

Finding the Fourth Proportional to 119,200,965,902.14, 178,729,430,739.09 and 47,501,510,386.18

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Solution

The fourth proportional to 119,200,965,902.14, 178,729,430,739.09 and 47,501,510,386.18 is: 71,223,566,405.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,200,965,902.14 : 178,729,430,739.09 = 47,501,510,386.18 : x
  2. Step 2: Convert to fraction form
    119,200,965,902.14/178,729,430,739.09 = 47,501,510,386.18/x
  3. Step 3: Cross multiply
    119,200,965,902.14x = 178,729,430,739.09 × 47,501,510,386.18
  4. Step 4: Simplify right side
    119,200,965,902.14x = 8,489,917,910,568,921,989,120
  5. Step 5: Solve for x
    x = 8,489,917,910,568,921,989,120/119,200,965,902.14
  6. Step 6: Final answer
    x = 71,223,566,405.82

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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.