Home / 318,877,233.93-478,315,857.04-76,540,137.93

Finding the Fourth Proportional to 318,877,233.93, 478,315,857.04 and 76,540,137.93

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Solution

The fourth proportional to 318,877,233.93, 478,315,857.04 and 76,540,137.93 is: 114,810,208.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,877,233.93 : 478,315,857.04 = 76,540,137.93 : x
  2. Step 2: Convert to fraction form
    318,877,233.93/478,315,857.04 = 76,540,137.93/x
  3. Step 3: Cross multiply
    318,877,233.93x = 478,315,857.04 × 76,540,137.93
  4. Step 4: Simplify right side
    318,877,233.93x = 36,610,361,670,560,624
  5. Step 5: Solve for x
    x = 36,610,361,670,560,624/318,877,233.93
  6. Step 6: Final answer
    x = 114,810,208.37

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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.