Home / 171,397,643.20-257,096,464.80-146,738,780.80

Finding the Fourth Proportional to 171,397,643.20, 257,096,464.80 and 146,738,780.80

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Solution

The fourth proportional to 171,397,643.20, 257,096,464.80 and 146,738,780.80 is: 220,108,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,397,643.20 : 257,096,464.80 = 146,738,780.80 : x
  2. Step 2: Convert to fraction form
    171,397,643.20/257,096,464.80 = 146,738,780.80/x
  3. Step 3: Cross multiply
    171,397,643.20x = 257,096,464.80 × 146,738,780.80
  4. Step 4: Simplify right side
    171,397,643.20x = 37,726,021,792,742,120
  5. Step 5: Solve for x
    x = 37,726,021,792,742,120/171,397,643.20
  6. Step 6: Final answer
    x = 220,108,171.20

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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.