Home / 135,611,314.75-187,150,010.52-76,875,121.36

Finding the Fourth Proportional to 135,611,314.75, 187,150,010.52 and 76,875,121.36

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Solution

The fourth proportional to 135,611,314.75, 187,150,010.52 and 76,875,121.36 is: 106,091,293.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,611,314.75 : 187,150,010.52 = 76,875,121.36 : x
  2. Step 2: Convert to fraction form
    135,611,314.75/187,150,010.52 = 76,875,121.36/x
  3. Step 3: Cross multiply
    135,611,314.75x = 187,150,010.52 × 76,875,121.36
  4. Step 4: Simplify right side
    135,611,314.75x = 14,387,179,771,250,278
  5. Step 5: Solve for x
    x = 14,387,179,771,250,278/135,611,314.75
  6. Step 6: Final answer
    x = 106,091,293.32

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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.