Home / 222,565,980.95-307,177,832.58-123,478,652.19

Finding the Fourth Proportional to 222,565,980.95, 307,177,832.58 and 123,478,652.19

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Solution

The fourth proportional to 222,565,980.95, 307,177,832.58 and 123,478,652.19 is: 170,420,944.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,565,980.95 : 307,177,832.58 = 123,478,652.19 : x
  2. Step 2: Convert to fraction form
    222,565,980.95/307,177,832.58 = 123,478,652.19/x
  3. Step 3: Cross multiply
    222,565,980.95x = 307,177,832.58 × 123,478,652.19
  4. Step 4: Simplify right side
    222,565,980.95x = 37,929,904,749,623,864
  5. Step 5: Solve for x
    x = 37,929,904,749,623,864/222,565,980.95
  6. Step 6: Final answer
    x = 170,420,944.78

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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.