Home / 208,179,651.26-287,289,630.28-115,361,709.14

Finding the Fourth Proportional to 208,179,651.26, 287,289,630.28 and 115,361,709.14

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Solution

The fourth proportional to 208,179,651.26, 287,289,630.28 and 115,361,709.14 is: 159,200,107.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,179,651.26 : 287,289,630.28 = 115,361,709.14 : x
  2. Step 2: Convert to fraction form
    208,179,651.26/287,289,630.28 = 115,361,709.14/x
  3. Step 3: Cross multiply
    208,179,651.26x = 287,289,630.28 × 115,361,709.14
  4. Step 4: Simplify right side
    208,179,651.26x = 33,142,222,767,299,492
  5. Step 5: Solve for x
    x = 33,142,222,767,299,492/208,179,651.26
  6. Step 6: Final answer
    x = 159,200,107.06

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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.