Home / 257,401,940.10-386,102,910.15-154,089,809.70

Finding the Fourth Proportional to 257,401,940.10, 386,102,910.15 and 154,089,809.70

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Solution

The fourth proportional to 257,401,940.10, 386,102,910.15 and 154,089,809.70 is: 231,134,714.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,401,940.10 : 386,102,910.15 = 154,089,809.70 : x
  2. Step 2: Convert to fraction form
    257,401,940.10/386,102,910.15 = 154,089,809.70/x
  3. Step 3: Cross multiply
    257,401,940.10x = 386,102,910.15 × 154,089,809.70
  4. Step 4: Simplify right side
    257,401,940.10x = 59,494,523,949,629,688
  5. Step 5: Solve for x
    x = 59,494,523,949,629,688/257,401,940.10
  6. Step 6: Final answer
    x = 231,134,714.55

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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.