Home / 165,776,939.20-248,889,357.60-105,310,763.20

Finding the Fourth Proportional to 165,776,939.20, 248,889,357.60 and 105,310,763.20

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Solution

The fourth proportional to 165,776,939.20, 248,889,357.60 and 105,310,763.20 is: 158,108,409.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,776,939.20 : 248,889,357.60 = 105,310,763.20 : x
  2. Step 2: Convert to fraction form
    165,776,939.20/248,889,357.60 = 105,310,763.20/x
  3. Step 3: Cross multiply
    165,776,939.20x = 248,889,357.60 × 105,310,763.20
  4. Step 4: Simplify right side
    165,776,939.20x = 26,210,728,201,213,720
  5. Step 5: Solve for x
    x = 26,210,728,201,213,720/165,776,939.20
  6. Step 6: Final answer
    x = 158,108,409.58

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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.