Home / 169,990,288.80-254,985,433.20-54,986,456.40

Finding the Fourth Proportional to 169,990,288.80, 254,985,433.20 and 54,986,456.40

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Solution

The fourth proportional to 169,990,288.80, 254,985,433.20 and 54,986,456.40 is: 82,479,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,990,288.80 : 254,985,433.20 = 54,986,456.40 : x
  2. Step 2: Convert to fraction form
    169,990,288.80/254,985,433.20 = 54,986,456.40/x
  3. Step 3: Cross multiply
    169,990,288.80x = 254,985,433.20 × 54,986,456.40
  4. Step 4: Simplify right side
    169,990,288.80x = 14,020,745,405,286,912
  5. Step 5: Solve for x
    x = 14,020,745,405,286,912/169,990,288.80
  6. Step 6: Final answer
    x = 82,479,684.60

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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.