Home / 254,821,758.80-380,372,342.42-218,662,513.12

Finding the Fourth Proportional to 254,821,758.80, 380,372,342.42 and 218,662,513.12

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Solution

The fourth proportional to 254,821,758.80, 380,372,342.42 and 218,662,513.12 is: 326,397,450.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,821,758.80 : 380,372,342.42 = 218,662,513.12 : x
  2. Step 2: Convert to fraction form
    254,821,758.80/380,372,342.42 = 218,662,513.12/x
  3. Step 3: Cross multiply
    254,821,758.80x = 380,372,342.42 × 218,662,513.12
  4. Step 4: Simplify right side
    254,821,758.80x = 83,173,172,314,898,384
  5. Step 5: Solve for x
    x = 83,173,172,314,898,384/254,821,758.80
  6. Step 6: Final answer
    x = 326,397,450.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.