Home / 165,888,922.40-248,833,383.60-125,578,138.40

Finding the Fourth Proportional to 165,888,922.40, 248,833,383.60 and 125,578,138.40

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Solution

The fourth proportional to 165,888,922.40, 248,833,383.60 and 125,578,138.40 is: 188,367,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888,922.40 : 248,833,383.60 = 125,578,138.40 : x
  2. Step 2: Convert to fraction form
    165,888,922.40/248,833,383.60 = 125,578,138.40/x
  3. Step 3: Cross multiply
    165,888,922.40x = 248,833,383.60 × 125,578,138.40
  4. Step 4: Simplify right side
    165,888,922.40x = 31,248,033,084,261,092
  5. Step 5: Solve for x
    x = 31,248,033,084,261,092/165,888,922.40
  6. Step 6: Final answer
    x = 188,367,207.60

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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.