Home / 121,067,527.52-166,998,620.48-86,271,460.80

Finding the Fourth Proportional to 121,067,527.52, 166,998,620.48 and 86,271,460.80

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Solution

The fourth proportional to 121,067,527.52, 166,998,620.48 and 86,271,460.80 is: 119,001,479.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,067,527.52 : 166,998,620.48 = 86,271,460.80 : x
  2. Step 2: Convert to fraction form
    121,067,527.52/166,998,620.48 = 86,271,460.80/x
  3. Step 3: Cross multiply
    121,067,527.52x = 166,998,620.48 × 86,271,460.80
  4. Step 4: Simplify right side
    121,067,527.52x = 14,407,214,940,394,396
  5. Step 5: Solve for x
    x = 14,407,214,940,394,396/121,067,527.52
  6. Step 6: Final answer
    x = 119,001,479.88

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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.