Home / 165,672,944.55-248,582,619.09-86,870,633.31

Finding the Fourth Proportional to 165,672,944.55, 248,582,619.09 and 86,870,633.31

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Solution

The fourth proportional to 165,672,944.55, 248,582,619.09 and 86,870,633.31 is: 130,344,333.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,672,944.55 : 248,582,619.09 = 86,870,633.31 : x
  2. Step 2: Convert to fraction form
    165,672,944.55/248,582,619.09 = 86,870,633.31/x
  3. Step 3: Cross multiply
    165,672,944.55x = 248,582,619.09 × 86,870,633.31
  4. Step 4: Simplify right side
    165,672,944.55x = 21,594,529,550,206,796
  5. Step 5: Solve for x
    x = 21,594,529,550,206,796/165,672,944.55
  6. Step 6: Final answer
    x = 130,344,333.58

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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.