Home / 331,268,982.54-457,124,315.10-192,048,712.40

Finding the Fourth Proportional to 331,268,982.54, 457,124,315.10 and 192,048,712.40

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Solution

The fourth proportional to 331,268,982.54, 457,124,315.10 and 192,048,712.40 is: 265,011,639.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,268,982.54 : 457,124,315.10 = 192,048,712.40 : x
  2. Step 2: Convert to fraction form
    331,268,982.54/457,124,315.10 = 192,048,712.40/x
  3. Step 3: Cross multiply
    331,268,982.54x = 457,124,315.10 × 192,048,712.40
  4. Step 4: Simplify right side
    331,268,982.54x = 87,790,136,121,686,880
  5. Step 5: Solve for x
    x = 87,790,136,121,686,880/331,268,982.54
  6. Step 6: Final answer
    x = 265,011,639.33

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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.