Home / 168,216,908.40-252,325,362.60-164,437,772.40

Finding the Fourth Proportional to 168,216,908.40, 252,325,362.60 and 164,437,772.40

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Solution

The fourth proportional to 168,216,908.40, 252,325,362.60 and 164,437,772.40 is: 246,656,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,216,908.40 : 252,325,362.60 = 164,437,772.40 : x
  2. Step 2: Convert to fraction form
    168,216,908.40/252,325,362.60 = 164,437,772.40/x
  3. Step 3: Cross multiply
    168,216,908.40x = 252,325,362.60 × 164,437,772.40
  4. Step 4: Simplify right side
    168,216,908.40x = 41,491,820,545,966,272
  5. Step 5: Solve for x
    x = 41,491,820,545,966,272/168,216,908.40
  6. Step 6: Final answer
    x = 246,656,658.60

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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.