Home / 212,743,467.20-319,115,200.80-176,463,761.60

Finding the Fourth Proportional to 212,743,467.20, 319,115,200.80 and 176,463,761.60

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Solution

The fourth proportional to 212,743,467.20, 319,115,200.80 and 176,463,761.60 is: 264,695,642.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,743,467.20 : 319,115,200.80 = 176,463,761.60 : x
  2. Step 2: Convert to fraction form
    212,743,467.20/319,115,200.80 = 176,463,761.60/x
  3. Step 3: Cross multiply
    212,743,467.20x = 319,115,200.80 × 176,463,761.60
  4. Step 4: Simplify right side
    212,743,467.20x = 56,312,268,716,907,328
  5. Step 5: Solve for x
    x = 56,312,268,716,907,328/212,743,467.20
  6. Step 6: Final answer
    x = 264,695,642.40

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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.