Home / 217,304,797.68-326,044,297.89-79,140,028.32

Finding the Fourth Proportional to 217,304,797.68, 326,044,297.89 and 79,140,028.32

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Solution

The fourth proportional to 217,304,797.68, 326,044,297.89 and 79,140,028.32 is: 118,741,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,304,797.68 : 326,044,297.89 = 79,140,028.32 : x
  2. Step 2: Convert to fraction form
    217,304,797.68/326,044,297.89 = 79,140,028.32/x
  3. Step 3: Cross multiply
    217,304,797.68x = 326,044,297.89 × 79,140,028.32
  4. Step 4: Simplify right side
    217,304,797.68x = 25,803,154,968,589,112
  5. Step 5: Solve for x
    x = 25,803,154,968,589,112/217,304,797.68
  6. Step 6: Final answer
    x = 118,741,763.85

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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.