Home / 212,894,176.23-319,339,135.41-67,327,762.41

Finding the Fourth Proportional to 212,894,176.23, 319,339,135.41 and 67,327,762.41

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Solution

The fourth proportional to 212,894,176.23, 319,339,135.41 and 67,327,762.41 is: 100,990,970.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,894,176.23 : 319,339,135.41 = 67,327,762.41 : x
  2. Step 2: Convert to fraction form
    212,894,176.23/319,339,135.41 = 67,327,762.41/x
  3. Step 3: Cross multiply
    212,894,176.23x = 319,339,135.41 × 67,327,762.41
  4. Step 4: Simplify right side
    212,894,176.23x = 21,500,389,436,132,632
  5. Step 5: Solve for x
    x = 21,500,389,436,132,632/212,894,176.23
  6. Step 6: Final answer
    x = 100,990,970.34

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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.