Home / 298,753,447.95-412,280,155.34-164,788,359.90

Finding the Fourth Proportional to 298,753,447.95, 412,280,155.34 and 164,788,359.90

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Solution

The fourth proportional to 298,753,447.95, 412,280,155.34 and 164,788,359.90 is: 227,408,155.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,753,447.95 : 412,280,155.34 = 164,788,359.90 : x
  2. Step 2: Convert to fraction form
    298,753,447.95/412,280,155.34 = 164,788,359.90/x
  3. Step 3: Cross multiply
    298,753,447.95x = 412,280,155.34 × 164,788,359.90
  4. Step 4: Simplify right side
    298,753,447.95x = 67,938,970,616,971,880
  5. Step 5: Solve for x
    x = 67,938,970,616,971,880/298,753,447.95
  6. Step 6: Final answer
    x = 227,408,155.73

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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.