Home / 256,103,825.16-353,072,046.78-161,971,055.40

Finding the Fourth Proportional to 256,103,825.16, 353,072,046.78 and 161,971,055.40

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Solution

The fourth proportional to 256,103,825.16, 353,072,046.78 and 161,971,055.40 is: 223,297,922.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,103,825.16 : 353,072,046.78 = 161,971,055.40 : x
  2. Step 2: Convert to fraction form
    256,103,825.16/353,072,046.78 = 161,971,055.40/x
  3. Step 3: Cross multiply
    256,103,825.16x = 353,072,046.78 × 161,971,055.40
  4. Step 4: Simplify right side
    256,103,825.16x = 57,187,452,049,194,768
  5. Step 5: Solve for x
    x = 57,187,452,049,194,768/256,103,825.16
  6. Step 6: Final answer
    x = 223,297,922.29

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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.