Home / 259,347,983.16-388,398,548.52-148,347,230.70

Finding the Fourth Proportional to 259,347,983.16, 388,398,548.52 and 148,347,230.70

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Solution

The fourth proportional to 259,347,983.16, 388,398,548.52 and 148,347,230.70 is: 222,164,245.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,347,983.16 : 388,398,548.52 = 148,347,230.70 : x
  2. Step 2: Convert to fraction form
    259,347,983.16/388,398,548.52 = 148,347,230.70/x
  3. Step 3: Cross multiply
    259,347,983.16x = 388,398,548.52 × 148,347,230.70
  4. Step 4: Simplify right side
    259,347,983.16x = 57,617,849,080,841,576
  5. Step 5: Solve for x
    x = 57,617,849,080,841,576/259,347,983.16
  6. Step 6: Final answer
    x = 222,164,245.81

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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.