Home / 188,037,235.50-281,907,509.12-118,804,109.64

Finding the Fourth Proportional to 188,037,235.50, 281,907,509.12 and 118,804,109.64

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Solution

The fourth proportional to 188,037,235.50, 281,907,509.12 and 118,804,109.64 is: 178,112,438.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,037,235.50 : 281,907,509.12 = 118,804,109.64 : x
  2. Step 2: Convert to fraction form
    188,037,235.50/281,907,509.12 = 118,804,109.64/x
  3. Step 3: Cross multiply
    188,037,235.50x = 281,907,509.12 × 118,804,109.64
  4. Step 4: Simplify right side
    188,037,235.50x = 33,491,770,621,831,780
  5. Step 5: Solve for x
    x = 33,491,770,621,831,780/188,037,235.50
  6. Step 6: Final answer
    x = 178,112,438.92

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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.