Home / 166,531,439.71-249,940,648.64-115,449,330.79

Finding the Fourth Proportional to 166,531,439.71, 249,940,648.64 and 115,449,330.79

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Solution

The fourth proportional to 166,531,439.71, 249,940,648.64 and 115,449,330.79 is: 173,273,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,531,439.71 : 249,940,648.64 = 115,449,330.79 : x
  2. Step 2: Convert to fraction form
    166,531,439.71/249,940,648.64 = 115,449,330.79/x
  3. Step 3: Cross multiply
    166,531,439.71x = 249,940,648.64 × 115,449,330.79
  4. Step 4: Simplify right side
    166,531,439.71x = 28,855,480,623,253,608
  5. Step 5: Solve for x
    x = 28,855,480,623,253,608/166,531,439.71
  6. Step 6: Final answer
    x = 173,273,471.20

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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.