Home / 208,848,579.58-287,923,051.57-166,605,515.72

Finding the Fourth Proportional to 208,848,579.58, 287,923,051.57 and 166,605,515.72

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Solution

The fourth proportional to 208,848,579.58, 287,923,051.57 and 166,605,515.72 is: 229,685,873.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,848,579.58 : 287,923,051.57 = 166,605,515.72 : x
  2. Step 2: Convert to fraction form
    208,848,579.58/287,923,051.57 = 166,605,515.72/x
  3. Step 3: Cross multiply
    208,848,579.58x = 287,923,051.57 × 166,605,515.72
  4. Step 4: Simplify right side
    208,848,579.58x = 47,969,568,495,153,872
  5. Step 5: Solve for x
    x = 47,969,568,495,153,872/208,848,579.58
  6. Step 6: Final answer
    x = 229,685,873.81

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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.