Home / 394,483,040.80-591,724,561.20-103,349,600.80

Finding the Fourth Proportional to 394,483,040.80, 591,724,561.20 and 103,349,600.80

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Solution

The fourth proportional to 394,483,040.80, 591,724,561.20 and 103,349,600.80 is: 155,024,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,483,040.80 : 591,724,561.20 = 103,349,600.80 : x
  2. Step 2: Convert to fraction form
    394,483,040.80/591,724,561.20 = 103,349,600.80/x
  3. Step 3: Cross multiply
    394,483,040.80x = 591,724,561.20 × 103,349,600.80
  4. Step 4: Simplify right side
    394,483,040.80x = 61,154,497,183,575,176
  5. Step 5: Solve for x
    x = 61,154,497,183,575,176/394,483,040.80
  6. Step 6: Final answer
    x = 155,024,401.20

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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.