Home / 166,260,033.72-229,438,272.06-92,921,175.72

Finding the Fourth Proportional to 166,260,033.72, 229,438,272.06 and 92,921,175.72

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Solution

The fourth proportional to 166,260,033.72, 229,438,272.06 and 92,921,175.72 is: 128,230,901.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,260,033.72 : 229,438,272.06 = 92,921,175.72 : x
  2. Step 2: Convert to fraction form
    166,260,033.72/229,438,272.06 = 92,921,175.72/x
  3. Step 3: Cross multiply
    166,260,033.72x = 229,438,272.06 × 92,921,175.72
  4. Step 4: Simplify right side
    166,260,033.72x = 21,319,673,994,980,428
  5. Step 5: Solve for x
    x = 21,319,673,994,980,428/166,260,033.72
  6. Step 6: Final answer
    x = 128,230,901.43

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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.