Home / 252,216,161.12-378,017,520.64-178,461,190.40

Finding the Fourth Proportional to 252,216,161.12, 378,017,520.64 and 178,461,190.40

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Solution

The fourth proportional to 252,216,161.12, 378,017,520.64 and 178,461,190.40 is: 267,474,758.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,216,161.12 : 378,017,520.64 = 178,461,190.40 : x
  2. Step 2: Convert to fraction form
    252,216,161.12/378,017,520.64 = 178,461,190.40/x
  3. Step 3: Cross multiply
    252,216,161.12x = 378,017,520.64 × 178,461,190.40
  4. Step 4: Simplify right side
    252,216,161.12x = 67,461,456,725,470,968
  5. Step 5: Solve for x
    x = 67,461,456,725,470,968/252,216,161.12
  6. Step 6: Final answer
    x = 267,474,758.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.