Home / 248,839,642.80-373,259,464.20-87,297,908.40

Finding the Fourth Proportional to 248,839,642.80, 373,259,464.20 and 87,297,908.40

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Solution

The fourth proportional to 248,839,642.80, 373,259,464.20 and 87,297,908.40 is: 130,946,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,839,642.80 : 373,259,464.20 = 87,297,908.40 : x
  2. Step 2: Convert to fraction form
    248,839,642.80/373,259,464.20 = 87,297,908.40/x
  3. Step 3: Cross multiply
    248,839,642.80x = 373,259,464.20 × 87,297,908.40
  4. Step 4: Simplify right side
    248,839,642.80x = 32,584,770,515,164,680
  5. Step 5: Solve for x
    x = 32,584,770,515,164,680/248,839,642.80
  6. Step 6: Final answer
    x = 130,946,862.60

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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.