Home / 320,896,948.28-481,391,126.66-99,587,408.94

Finding the Fourth Proportional to 320,896,948.28, 481,391,126.66 and 99,587,408.94

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Solution

The fourth proportional to 320,896,948.28, 481,391,126.66 and 99,587,408.94 is: 149,395,297.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,896,948.28 : 481,391,126.66 = 99,587,408.94 : x
  2. Step 2: Convert to fraction form
    320,896,948.28/481,391,126.66 = 99,587,408.94/x
  3. Step 3: Cross multiply
    320,896,948.28x = 481,391,126.66 × 99,587,408.94
  4. Step 4: Simplify right side
    320,896,948.28x = 47,940,494,990,776,760
  5. Step 5: Solve for x
    x = 47,940,494,990,776,760/320,896,948.28
  6. Step 6: Final answer
    x = 149,395,297.30

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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.