Home / 57,435,991-86,154,736.62-19,097,504.32

Finding the Fourth Proportional to 57,435,991, 86,154,736.62 and 19,097,504.32

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Solution

The fourth proportional to 57,435,991, 86,154,736.62 and 19,097,504.32 is: 28,646,505.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,435,991 : 86,154,736.62 = 19,097,504.32 : x
  2. Step 2: Convert to fraction form
    57,435,991/86,154,736.62 = 19,097,504.32/x
  3. Step 3: Cross multiply
    57,435,991x = 86,154,736.62 × 19,097,504.32
  4. Step 4: Simplify right side
    57,435,991x = 1,645,340,454,788,912.25
  5. Step 5: Solve for x
    x = 1,645,340,454,788,912.25/57,435,991
  6. Step 6: Final answer
    x = 28,646,505.90

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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.