Home / 208,729,145.58-312,821,354.86-116,609,162.64

Finding the Fourth Proportional to 208,729,145.58, 312,821,354.86 and 116,609,162.64

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Solution

The fourth proportional to 208,729,145.58, 312,821,354.86 and 116,609,162.64 is: 174,761,584.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,729,145.58 : 312,821,354.86 = 116,609,162.64 : x
  2. Step 2: Convert to fraction form
    208,729,145.58/312,821,354.86 = 116,609,162.64/x
  3. Step 3: Cross multiply
    208,729,145.58x = 312,821,354.86 × 116,609,162.64
  4. Step 4: Simplify right side
    208,729,145.58x = 36,477,836,245,843,376
  5. Step 5: Solve for x
    x = 36,477,836,245,843,376/208,729,145.58
  6. Step 6: Final answer
    x = 174,761,584.66

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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.