Home / 204,274,127-281,568,987.60-138,170,518.40

Finding the Fourth Proportional to 204,274,127, 281,568,987.60 and 138,170,518.40

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Solution

The fourth proportional to 204,274,127, 281,568,987.60 and 138,170,518.40 is: 190,452,572.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,274,127 : 281,568,987.60 = 138,170,518.40 : x
  2. Step 2: Convert to fraction form
    204,274,127/281,568,987.60 = 138,170,518.40/x
  3. Step 3: Cross multiply
    204,274,127x = 281,568,987.60 × 138,170,518.40
  4. Step 4: Simplify right side
    204,274,127x = 38,904,532,982,055,176
  5. Step 5: Solve for x
    x = 38,904,532,982,055,176/204,274,127
  6. Step 6: Final answer
    x = 190,452,572.50

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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.