Home / 248,178,080.43-342,474,703.38-142,255,559.79

Finding the Fourth Proportional to 248,178,080.43, 342,474,703.38 and 142,255,559.79

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Solution

The fourth proportional to 248,178,080.43, 342,474,703.38 and 142,255,559.79 is: 196,306,340.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,178,080.43 : 342,474,703.38 = 142,255,559.79 : x
  2. Step 2: Convert to fraction form
    248,178,080.43/342,474,703.38 = 142,255,559.79/x
  3. Step 3: Cross multiply
    248,178,080.43x = 342,474,703.38 × 142,255,559.79
  4. Step 4: Simplify right side
    248,178,080.43x = 48,718,930,643,236,104
  5. Step 5: Solve for x
    x = 48,718,930,643,236,104/248,178,080.43
  6. Step 6: Final answer
    x = 196,306,340.02

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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.