Home / 171,964,009.80-257,946,014.70-133,653,018.60

Finding the Fourth Proportional to 171,964,009.80, 257,946,014.70 and 133,653,018.60

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Solution

The fourth proportional to 171,964,009.80, 257,946,014.70 and 133,653,018.60 is: 200,479,527.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,964,009.80 : 257,946,014.70 = 133,653,018.60 : x
  2. Step 2: Convert to fraction form
    171,964,009.80/257,946,014.70 = 133,653,018.60/x
  3. Step 3: Cross multiply
    171,964,009.80x = 257,946,014.70 × 133,653,018.60
  4. Step 4: Simplify right side
    171,964,009.80x = 34,475,263,500,494,972
  5. Step 5: Solve for x
    x = 34,475,263,500,494,972/171,964,009.80
  6. Step 6: Final answer
    x = 200,479,527.90

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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.