Home / 309,410,832.96-426,995,027.28-170,185,247.64

Finding the Fourth Proportional to 309,410,832.96, 426,995,027.28 and 170,185,247.64

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Solution

The fourth proportional to 309,410,832.96, 426,995,027.28 and 170,185,247.64 is: 234,860,084.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,410,832.96 : 426,995,027.28 = 170,185,247.64 : x
  2. Step 2: Convert to fraction form
    309,410,832.96/426,995,027.28 = 170,185,247.64/x
  3. Step 3: Cross multiply
    309,410,832.96x = 426,995,027.28 × 170,185,247.64
  4. Step 4: Simplify right side
    309,410,832.96x = 72,668,254,458,695,344
  5. Step 5: Solve for x
    x = 72,668,254,458,695,344/309,410,832.96
  6. Step 6: Final answer
    x = 234,860,084.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.