Home / 165,886,260.32-229,009,100.28-121,182,036.32

Finding the Fourth Proportional to 165,886,260.32, 229,009,100.28 and 121,182,036.32

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Solution

The fourth proportional to 165,886,260.32, 229,009,100.28 and 121,182,036.32 is: 167,294,078.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,886,260.32 : 229,009,100.28 = 121,182,036.32 : x
  2. Step 2: Convert to fraction form
    165,886,260.32/229,009,100.28 = 121,182,036.32/x
  3. Step 3: Cross multiply
    165,886,260.32x = 229,009,100.28 × 121,182,036.32
  4. Step 4: Simplify right side
    165,886,260.32x = 27,751,789,107,741,480
  5. Step 5: Solve for x
    x = 27,751,789,107,741,480/165,886,260.32
  6. Step 6: Final answer
    x = 167,294,078.81

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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.