Home / 166,665,917.79-249,998,904.32-69,568,658.19

Finding the Fourth Proportional to 166,665,917.79, 249,998,904.32 and 69,568,658.19

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Solution

The fourth proportional to 166,665,917.79, 249,998,904.32 and 69,568,658.19 is: 104,352,998.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,665,917.79 : 249,998,904.32 = 69,568,658.19 : x
  2. Step 2: Convert to fraction form
    166,665,917.79/249,998,904.32 = 69,568,658.19/x
  3. Step 3: Cross multiply
    166,665,917.79x = 249,998,904.32 × 69,568,658.19
  4. Step 4: Simplify right side
    166,665,917.79x = 17,392,088,322,164,750
  5. Step 5: Solve for x
    x = 17,392,088,322,164,750/166,665,917.79
  6. Step 6: Final answer
    x = 104,352,998.82

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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.