Home / 208,007,546.68-287,050,155.42-115,187,942.44

Finding the Fourth Proportional to 208,007,546.68, 287,050,155.42 and 115,187,942.44

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Solution

The fourth proportional to 208,007,546.68, 287,050,155.42 and 115,187,942.44 is: 158,959,217.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,007,546.68 : 287,050,155.42 = 115,187,942.44 : x
  2. Step 2: Convert to fraction form
    208,007,546.68/287,050,155.42 = 115,187,942.44/x
  3. Step 3: Cross multiply
    208,007,546.68x = 287,050,155.42 × 115,187,942.44
  4. Step 4: Simplify right side
    208,007,546.68x = 33,064,716,779,912,016
  5. Step 5: Solve for x
    x = 33,064,716,779,912,016/208,007,546.68
  6. Step 6: Final answer
    x = 158,959,217.14

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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.