Home / 181,134,019,781.45-249,976,131,015.87-99,843,659,664.24

Finding the Fourth Proportional to 181,134,019,781.45, 249,976,131,015.87 and 99,843,659,664.24

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Solution

The fourth proportional to 181,134,019,781.45, 249,976,131,015.87 and 99,843,659,664.24 is: 137,790,414,961.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,134,019,781.45 : 249,976,131,015.87 = 99,843,659,664.24 : x
  2. Step 2: Convert to fraction form
    181,134,019,781.45/249,976,131,015.87 = 99,843,659,664.24/x
  3. Step 3: Cross multiply
    181,134,019,781.45x = 249,976,131,015.87 × 99,843,659,664.24
  4. Step 4: Simplify right side
    181,134,019,781.45x = 24,958,531,749,331,242,844,160
  5. Step 5: Solve for x
    x = 24,958,531,749,331,242,844,160/181,134,019,781.45
  6. Step 6: Final answer
    x = 137,790,414,961.50

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1.5x scale

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.