Home / 268,420,971.67-370,377,728.97-150,939,297.43

Finding the Fourth Proportional to 268,420,971.67, 370,377,728.97 and 150,939,297.43

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Solution

The fourth proportional to 268,420,971.67, 370,377,728.97 and 150,939,297.43 is: 208,271,931.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,420,971.67 : 370,377,728.97 = 150,939,297.43 : x
  2. Step 2: Convert to fraction form
    268,420,971.67/370,377,728.97 = 150,939,297.43/x
  3. Step 3: Cross multiply
    268,420,971.67x = 370,377,728.97 × 150,939,297.43
  4. Step 4: Simplify right side
    268,420,971.67x = 55,904,554,194,450,768
  5. Step 5: Solve for x
    x = 55,904,554,194,450,768/268,420,971.67
  6. Step 6: Final answer
    x = 208,271,931.39

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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.