Home / 257,328,608.10-385,992,912.15-230,118,828.90

Finding the Fourth Proportional to 257,328,608.10, 385,992,912.15 and 230,118,828.90

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Solution

The fourth proportional to 257,328,608.10, 385,992,912.15 and 230,118,828.90 is: 345,178,243.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,328,608.10 : 385,992,912.15 = 230,118,828.90 : x
  2. Step 2: Convert to fraction form
    257,328,608.10/385,992,912.15 = 230,118,828.90/x
  3. Step 3: Cross multiply
    257,328,608.10x = 385,992,912.15 × 230,118,828.90
  4. Step 4: Simplify right side
    257,328,608.10x = 88,824,236,907,658,576
  5. Step 5: Solve for x
    x = 88,824,236,907,658,576/257,328,608.10
  6. Step 6: Final answer
    x = 345,178,243.35

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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.