Home / 262,278,001.45-361,975,381.37-149,274,969.86

Finding the Fourth Proportional to 262,278,001.45, 361,975,381.37 and 149,274,969.86

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Solution

The fourth proportional to 262,278,001.45, 361,975,381.37 and 149,274,969.86 is: 206,017,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,278,001.45 : 361,975,381.37 = 149,274,969.86 : x
  2. Step 2: Convert to fraction form
    262,278,001.45/361,975,381.37 = 149,274,969.86/x
  3. Step 3: Cross multiply
    262,278,001.45x = 361,975,381.37 × 149,274,969.86
  4. Step 4: Simplify right side
    262,278,001.45x = 54,033,864,144,227,328
  5. Step 5: Solve for x
    x = 54,033,864,144,227,328/262,278,001.45
  6. Step 6: Final answer
    x = 206,017,522.80

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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.