Home / 151,640,994,013.24-209,271,149,815.32-83,975,584,231.32

Finding the Fourth Proportional to 151,640,994,013.24, 209,271,149,815.32 and 83,975,584,231.32

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Solution

The fourth proportional to 151,640,994,013.24, 209,271,149,815.32 and 83,975,584,231.32 is: 115,889,949,039.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,640,994,013.24 : 209,271,149,815.32 = 83,975,584,231.32 : x
  2. Step 2: Convert to fraction form
    151,640,994,013.24/209,271,149,815.32 = 83,975,584,231.32/x
  3. Step 3: Cross multiply
    151,640,994,013.24x = 209,271,149,815.32 × 83,975,584,231.32
  4. Step 4: Simplify right side
    151,640,994,013.24x = 17,573,667,068,500,963,753,984
  5. Step 5: Solve for x
    x = 17,573,667,068,500,963,753,984/151,640,994,013.24
  6. Step 6: Final answer
    x = 115,889,949,039.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.