Home / 86,531,505,091.31-119,414,178,162.32-47,951,069,409.02

Finding the Fourth Proportional to 86,531,505,091.31, 119,414,178,162.32 and 47,951,069,409.02

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Solution

The fourth proportional to 86,531,505,091.31, 119,414,178,162.32 and 47,951,069,409.02 is: 66,172,864,316.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,531,505,091.31 : 119,414,178,162.32 = 47,951,069,409.02 : x
  2. Step 2: Convert to fraction form
    86,531,505,091.31/119,414,178,162.32 = 47,951,069,409.02/x
  3. Step 3: Cross multiply
    86,531,505,091.31x = 119,414,178,162.32 × 47,951,069,409.02
  4. Step 4: Simplify right side
    86,531,505,091.31x = 5,726,037,545,481,889,906,688
  5. Step 5: Solve for x
    x = 5,726,037,545,481,889,906,688/86,531,505,091.31
  6. Step 6: Final answer
    x = 66,172,864,316.18

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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.