Home / 217,493,511.70-300,141,029.38-118,374,969.82

Finding the Fourth Proportional to 217,493,511.70, 300,141,029.38 and 118,374,969.82

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Solution

The fourth proportional to 217,493,511.70, 300,141,029.38 and 118,374,969.82 is: 163,357,449.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,493,511.70 : 300,141,029.38 = 118,374,969.82 : x
  2. Step 2: Convert to fraction form
    217,493,511.70/300,141,029.38 = 118,374,969.82/x
  3. Step 3: Cross multiply
    217,493,511.70x = 300,141,029.38 × 118,374,969.82
  4. Step 4: Simplify right side
    217,493,511.70x = 35,529,185,294,601,232
  5. Step 5: Solve for x
    x = 35,529,185,294,601,232/217,493,511.70
  6. Step 6: Final answer
    x = 163,357,449.23

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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.