Home / 275,289,139.20-412,933,708.80-166,450,022.40

Finding the Fourth Proportional to 275,289,139.20, 412,933,708.80 and 166,450,022.40

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Solution

The fourth proportional to 275,289,139.20, 412,933,708.80 and 166,450,022.40 is: 249,675,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,289,139.20 : 412,933,708.80 = 166,450,022.40 : x
  2. Step 2: Convert to fraction form
    275,289,139.20/412,933,708.80 = 166,450,022.40/x
  3. Step 3: Cross multiply
    275,289,139.20x = 412,933,708.80 × 166,450,022.40
  4. Step 4: Simplify right side
    275,289,139.20x = 68,732,825,079,475,080
  5. Step 5: Solve for x
    x = 68,732,825,079,475,080/275,289,139.20
  6. Step 6: Final answer
    x = 249,675,033.60

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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.