Home / 269,285,513.40-403,778,970.90-115,905,468.60

Finding the Fourth Proportional to 269,285,513.40, 403,778,970.90 and 115,905,468.60

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Solution

The fourth proportional to 269,285,513.40, 403,778,970.90 and 115,905,468.60 is: 173,793,941.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,285,513.40 : 403,778,970.90 = 115,905,468.60 : x
  2. Step 2: Convert to fraction form
    269,285,513.40/403,778,970.90 = 115,905,468.60/x
  3. Step 3: Cross multiply
    269,285,513.40x = 403,778,970.90 × 115,905,468.60
  4. Step 4: Simplify right side
    269,285,513.40x = 46,800,190,832,990,256
  5. Step 5: Solve for x
    x = 46,800,190,832,990,256/269,285,513.40
  6. Step 6: Final answer
    x = 173,793,941.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.