Home / 86,906,464.68-119,928,992.49-47,212,969.63

Finding the Fourth Proportional to 86,906,464.68, 119,928,992.49 and 47,212,969.63

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Solution

The fourth proportional to 86,906,464.68, 119,928,992.49 and 47,212,969.63 is: 65,152,850.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,906,464.68 : 119,928,992.49 = 47,212,969.63 : x
  2. Step 2: Convert to fraction form
    86,906,464.68/119,928,992.49 = 47,212,969.63/x
  3. Step 3: Cross multiply
    86,906,464.68x = 119,928,992.49 × 47,212,969.63
  4. Step 4: Simplify right side
    86,906,464.68x = 5,662,203,880,186,868
  5. Step 5: Solve for x
    x = 5,662,203,880,186,868/86,906,464.68
  6. Step 6: Final answer
    x = 65,152,850.26

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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.