Home / 166,006,611.90-248,992,808.01-55,330,323.30

Finding the Fourth Proportional to 166,006,611.90, 248,992,808.01 and 55,330,323.30

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Solution

The fourth proportional to 166,006,611.90, 248,992,808.01 and 55,330,323.30 is: 82,989,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,006,611.90 : 248,992,808.01 = 55,330,323.30 : x
  2. Step 2: Convert to fraction form
    166,006,611.90/248,992,808.01 = 55,330,323.30/x
  3. Step 3: Cross multiply
    166,006,611.90x = 248,992,808.01 × 55,330,323.30
  4. Step 4: Simplify right side
    166,006,611.90x = 13,776,852,566,568,128
  5. Step 5: Solve for x
    x = 13,776,852,566,568,128/166,006,611.90
  6. Step 6: Final answer
    x = 82,989,782.21

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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.