Home / 383,616,012.80-575,424,019.20-168,205,260.80

Finding the Fourth Proportional to 383,616,012.80, 575,424,019.20 and 168,205,260.80

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Solution

The fourth proportional to 383,616,012.80, 575,424,019.20 and 168,205,260.80 is: 252,307,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,616,012.80 : 575,424,019.20 = 168,205,260.80 : x
  2. Step 2: Convert to fraction form
    383,616,012.80/575,424,019.20 = 168,205,260.80/x
  3. Step 3: Cross multiply
    383,616,012.80x = 575,424,019.20 × 168,205,260.80
  4. Step 4: Simplify right side
    383,616,012.80x = 96,789,347,220,120,224
  5. Step 5: Solve for x
    x = 96,789,347,220,120,224/383,616,012.80
  6. Step 6: Final answer
    x = 252,307,891.20

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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.