Home / 172,422,003.60-258,633,005.40-163,918,947.60

Finding the Fourth Proportional to 172,422,003.60, 258,633,005.40 and 163,918,947.60

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Solution

The fourth proportional to 172,422,003.60, 258,633,005.40 and 163,918,947.60 is: 245,878,421.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,422,003.60 : 258,633,005.40 = 163,918,947.60 : x
  2. Step 2: Convert to fraction form
    172,422,003.60/258,633,005.40 = 163,918,947.60/x
  3. Step 3: Cross multiply
    172,422,003.60x = 258,633,005.40 × 163,918,947.60
  4. Step 4: Simplify right side
    172,422,003.60x = 42,394,850,059,793,120
  5. Step 5: Solve for x
    x = 42,394,850,059,793,120/172,422,003.60
  6. Step 6: Final answer
    x = 245,878,421.40

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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.