Home / 328,102,801.20-492,343,158.60-123,777,514.80

Finding the Fourth Proportional to 328,102,801.20, 492,343,158.60 and 123,777,514.80

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Solution

The fourth proportional to 328,102,801.20, 492,343,158.60 and 123,777,514.80 is: 185,737,556.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,102,801.20 : 492,343,158.60 = 123,777,514.80 : x
  2. Step 2: Convert to fraction form
    328,102,801.20/492,343,158.60 = 123,777,514.80/x
  3. Step 3: Cross multiply
    328,102,801.20x = 492,343,158.60 × 123,777,514.80
  4. Step 4: Simplify right side
    328,102,801.20x = 60,941,012,600,290,248
  5. Step 5: Solve for x
    x = 60,941,012,600,290,248/328,102,801.20
  6. Step 6: Final answer
    x = 185,737,556.57

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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.