Home / 268,940,486.40-403,354,742.40-115,591,545.60

Finding the Fourth Proportional to 268,940,486.40, 403,354,742.40 and 115,591,545.60

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Solution

The fourth proportional to 268,940,486.40, 403,354,742.40 and 115,591,545.60 is: 173,363,254.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,940,486.40 : 403,354,742.40 = 115,591,545.60 : x
  2. Step 2: Convert to fraction form
    268,940,486.40/403,354,742.40 = 115,591,545.60/x
  3. Step 3: Cross multiply
    268,940,486.40x = 403,354,742.40 × 115,591,545.60
  4. Step 4: Simplify right side
    268,940,486.40x = 46,624,398,099,105,848
  5. Step 5: Solve for x
    x = 46,624,398,099,105,848/268,940,486.40
  6. Step 6: Final answer
    x = 173,363,254.91

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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.