Home / 248,839,713.80-373,259,570.70-87,297,979.40

Finding the Fourth Proportional to 248,839,713.80, 373,259,570.70 and 87,297,979.40

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Solution

The fourth proportional to 248,839,713.80, 373,259,570.70 and 87,297,979.40 is: 130,946,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,839,713.80 : 373,259,570.70 = 87,297,979.40 : x
  2. Step 2: Convert to fraction form
    248,839,713.80/373,259,570.70 = 87,297,979.40/x
  3. Step 3: Cross multiply
    248,839,713.80x = 373,259,570.70 × 87,297,979.40
  4. Step 4: Simplify right side
    248,839,713.80x = 32,584,806,313,821,444
  5. Step 5: Solve for x
    x = 32,584,806,313,821,444/248,839,713.80
  6. Step 6: Final answer
    x = 130,946,969.10

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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.