Home / 208,363,801.37-287,515,540.49-119,061,521.12

Finding the Fourth Proportional to 208,363,801.37, 287,515,540.49 and 119,061,521.12

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Solution

The fourth proportional to 208,363,801.37, 287,515,540.49 and 119,061,521.12 is: 164,289,753.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,363,801.37 : 287,515,540.49 = 119,061,521.12 : x
  2. Step 2: Convert to fraction form
    208,363,801.37/287,515,540.49 = 119,061,521.12/x
  3. Step 3: Cross multiply
    208,363,801.37x = 287,515,540.49 × 119,061,521.12
  4. Step 4: Simplify right side
    208,363,801.37x = 34,232,037,597,042,368
  5. Step 5: Solve for x
    x = 34,232,037,597,042,368/208,363,801.37
  6. Step 6: Final answer
    x = 164,289,753.65

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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.