Home / 295,644,941.68-407,992,661.24-163,494,828.40

Finding the Fourth Proportional to 295,644,941.68, 407,992,661.24 and 163,494,828.40

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Solution

The fourth proportional to 295,644,941.68, 407,992,661.24 and 163,494,828.40 is: 225,624,324.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,644,941.68 : 407,992,661.24 = 163,494,828.40 : x
  2. Step 2: Convert to fraction form
    295,644,941.68/407,992,661.24 = 163,494,828.40/x
  3. Step 3: Cross multiply
    295,644,941.68x = 407,992,661.24 × 163,494,828.40
  4. Step 4: Simplify right side
    295,644,941.68x = 66,704,690,137,893,136
  5. Step 5: Solve for x
    x = 66,704,690,137,893,136/295,644,941.68
  6. Step 6: Final answer
    x = 225,624,324.09

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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.