Home / 208,253,903.16-287,504,844.30-142,273,610.04

Finding the Fourth Proportional to 208,253,903.16, 287,504,844.30 and 142,273,610.04

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Solution

The fourth proportional to 208,253,903.16, 287,504,844.30 and 142,273,610.04 is: 196,415,776.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,253,903.16 : 287,504,844.30 = 142,273,610.04 : x
  2. Step 2: Convert to fraction form
    208,253,903.16/287,504,844.30 = 142,273,610.04/x
  3. Step 3: Cross multiply
    208,253,903.16x = 287,504,844.30 × 142,273,610.04
  4. Step 4: Simplify right side
    208,253,903.16x = 40,904,352,102,549,120
  5. Step 5: Solve for x
    x = 40,904,352,102,549,120/208,253,903.16
  6. Step 6: Final answer
    x = 196,415,776.52

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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.