Home / 166,002,712.20-249,074,927.10-79,696,693.80

Finding the Fourth Proportional to 166,002,712.20, 249,074,927.10 and 79,696,693.80

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Solution

The fourth proportional to 166,002,712.20, 249,074,927.10 and 79,696,693.80 is: 119,579,059.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,002,712.20 : 249,074,927.10 = 79,696,693.80 : x
  2. Step 2: Convert to fraction form
    166,002,712.20/249,074,927.10 = 79,696,693.80/x
  3. Step 3: Cross multiply
    166,002,712.20x = 249,074,927.10 × 79,696,693.80
  4. Step 4: Simplify right side
    166,002,712.20x = 19,850,448,198,346,020
  5. Step 5: Solve for x
    x = 19,850,448,198,346,020/166,002,712.20
  6. Step 6: Final answer
    x = 119,579,059.49

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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.