Home / 166,196,522.87-229,363,069.79-91,855,485.79

Finding the Fourth Proportional to 166,196,522.87, 229,363,069.79 and 91,855,485.79

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Solution

The fourth proportional to 166,196,522.87, 229,363,069.79 and 91,855,485.79 is: 126,767,129.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,196,522.87 : 229,363,069.79 = 91,855,485.79 : x
  2. Step 2: Convert to fraction form
    166,196,522.87/229,363,069.79 = 91,855,485.79/x
  3. Step 3: Cross multiply
    166,196,522.87x = 229,363,069.79 × 91,855,485.79
  4. Step 4: Simplify right side
    166,196,522.87x = 21,068,256,198,274,684
  5. Step 5: Solve for x
    x = 21,068,256,198,274,684/166,196,522.87
  6. Step 6: Final answer
    x = 126,767,129.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.