Home / 211,976,021.70-317,964,032.55-166,059,519.30

Finding the Fourth Proportional to 211,976,021.70, 317,964,032.55 and 166,059,519.30

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Solution

The fourth proportional to 211,976,021.70, 317,964,032.55 and 166,059,519.30 is: 249,089,278.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,976,021.70 : 317,964,032.55 = 166,059,519.30 : x
  2. Step 2: Convert to fraction form
    211,976,021.70/317,964,032.55 = 166,059,519.30/x
  3. Step 3: Cross multiply
    211,976,021.70x = 317,964,032.55 × 166,059,519.30
  4. Step 4: Simplify right side
    211,976,021.70x = 52,800,954,399,942,560
  5. Step 5: Solve for x
    x = 52,800,954,399,942,560/211,976,021.70
  6. Step 6: Final answer
    x = 249,089,278.95

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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.