Home / 379,055,489.56-568,220,002.80-160,405,051.84

Finding the Fourth Proportional to 379,055,489.56, 568,220,002.80 and 160,405,051.84

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Solution

The fourth proportional to 379,055,489.56, 568,220,002.80 and 160,405,051.84 is: 240,453,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,055,489.56 : 568,220,002.80 = 160,405,051.84 : x
  2. Step 2: Convert to fraction form
    379,055,489.56/568,220,002.80 = 160,405,051.84/x
  3. Step 3: Cross multiply
    379,055,489.56x = 568,220,002.80 × 160,405,051.84
  4. Step 4: Simplify right side
    379,055,489.56x = 91,145,359,005,658,944
  5. Step 5: Solve for x
    x = 91,145,359,005,658,944/379,055,489.56
  6. Step 6: Final answer
    x = 240,453,868.93

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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.