Home / 104,976,010.80-157,464,016.20-76,086,615.60

Finding the Fourth Proportional to 104,976,010.80, 157,464,016.20 and 76,086,615.60

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Solution

The fourth proportional to 104,976,010.80, 157,464,016.20 and 76,086,615.60 is: 114,129,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,010.80 : 157,464,016.20 = 76,086,615.60 : x
  2. Step 2: Convert to fraction form
    104,976,010.80/157,464,016.20 = 76,086,615.60/x
  3. Step 3: Cross multiply
    104,976,010.80x = 157,464,016.20 × 76,086,615.60
  4. Step 4: Simplify right side
    104,976,010.80x = 11,980,904,071,441,570
  5. Step 5: Solve for x
    x = 11,980,904,071,441,570/104,976,010.80
  6. Step 6: Final answer
    x = 114,129,923.40

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1.5x scale

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.