Home / 330,187,920.21-455,669,528.94-181,520,401.14

Finding the Fourth Proportional to 330,187,920.21, 455,669,528.94 and 181,520,401.14

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Solution

The fourth proportional to 330,187,920.21, 455,669,528.94 and 181,520,401.14 is: 250,503,760.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,187,920.21 : 455,669,528.94 = 181,520,401.14 : x
  2. Step 2: Convert to fraction form
    330,187,920.21/455,669,528.94 = 181,520,401.14/x
  3. Step 3: Cross multiply
    330,187,920.21x = 455,669,528.94 × 181,520,401.14
  4. Step 4: Simplify right side
    330,187,920.21x = 82,713,315,680,463,632
  5. Step 5: Solve for x
    x = 82,713,315,680,463,632/330,187,920.21
  6. Step 6: Final answer
    x = 250,503,760.49

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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.