Home / 268,940,511.40-403,354,779.90-115,591,570.60

Finding the Fourth Proportional to 268,940,511.40, 403,354,779.90 and 115,591,570.60

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Solution

The fourth proportional to 268,940,511.40, 403,354,779.90 and 115,591,570.60 is: 173,363,292.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,940,511.40 : 403,354,779.90 = 115,591,570.60 : x
  2. Step 2: Convert to fraction form
    268,940,511.40/403,354,779.90 = 115,591,570.60/x
  3. Step 3: Cross multiply
    268,940,511.40x = 403,354,779.90 × 115,591,570.60
  4. Step 4: Simplify right side
    268,940,511.40x = 46,624,412,517,658,304
  5. Step 5: Solve for x
    x = 46,624,412,517,658,304/268,940,511.40
  6. Step 6: Final answer
    x = 173,363,292.41

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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.