Home / 199,464,811,968.16-299,135,337,635.54-71,962,928,698.81

Finding the Fourth Proportional to 199,464,811,968.16, 299,135,337,635.54 and 71,962,928,698.81

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Solution

The fourth proportional to 199,464,811,968.16, 299,135,337,635.54 and 71,962,928,698.81 is: 107,922,067,863.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,464,811,968.16 : 299,135,337,635.54 = 71,962,928,698.81 : x
  2. Step 2: Convert to fraction form
    199,464,811,968.16/299,135,337,635.54 = 71,962,928,698.81/x
  3. Step 3: Cross multiply
    199,464,811,968.16x = 299,135,337,635.54 × 71,962,928,698.81
  4. Step 4: Simplify right side
    199,464,811,968.16x = 21,526,654,973,560,819,286,016
  5. Step 5: Solve for x
    x = 21,526,654,973,560,819,286,016/199,464,811,968.16
  6. Step 6: Final answer
    x = 107,922,067,863.26

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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.