Home / 139,280,401.28-208,648,179.92-114,723,581.60

Finding the Fourth Proportional to 139,280,401.28, 208,648,179.92 and 114,723,581.60

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Solution

The fourth proportional to 139,280,401.28, 208,648,179.92 and 114,723,581.60 is: 171,860,981.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,280,401.28 : 208,648,179.92 = 114,723,581.60 : x
  2. Step 2: Convert to fraction form
    139,280,401.28/208,648,179.92 = 114,723,581.60/x
  3. Step 3: Cross multiply
    139,280,401.28x = 208,648,179.92 × 114,723,581.60
  4. Step 4: Simplify right side
    139,280,401.28x = 23,936,866,494,743,600
  5. Step 5: Solve for x
    x = 23,936,866,494,743,600/139,280,401.28
  6. Step 6: Final answer
    x = 171,860,981.69

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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.