Home / 257,714,880-355,646,592.72-141,821,376

Finding the Fourth Proportional to 257,714,880, 355,646,592.72 and 141,821,376

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Solution

The fourth proportional to 257,714,880, 355,646,592.72 and 141,821,376 is: 195,713,530.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,714,880 : 355,646,592.72 = 141,821,376 : x
  2. Step 2: Convert to fraction form
    257,714,880/355,646,592.72 = 141,821,376/x
  3. Step 3: Cross multiply
    257,714,880x = 355,646,592.72 × 141,821,376
  4. Step 4: Simplify right side
    257,714,880x = 50,438,289,149,261,984
  5. Step 5: Solve for x
    x = 50,438,289,149,261,984/257,714,880
  6. Step 6: Final answer
    x = 195,713,530.97

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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.