Home / 127,486,507,516.82-191,295,943,932.60-51,995,042,431.91

Finding the Fourth Proportional to 127,486,507,516.82, 191,295,943,932.60 and 51,995,042,431.91

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Solution

The fourth proportional to 127,486,507,516.82, 191,295,943,932.60 and 51,995,042,431.91 is: 78,019,556,073.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,486,507,516.82 : 191,295,943,932.60 = 51,995,042,431.91 : x
  2. Step 2: Convert to fraction form
    127,486,507,516.82/191,295,943,932.60 = 51,995,042,431.91/x
  3. Step 3: Cross multiply
    127,486,507,516.82x = 191,295,943,932.60 × 51,995,042,431.91
  4. Step 4: Simplify right side
    127,486,507,516.82x = 9,946,440,721,826,857,353,216
  5. Step 5: Solve for x
    x = 9,946,440,721,826,857,353,216/127,486,507,516.82
  6. Step 6: Final answer
    x = 78,019,556,073.53

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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.