Home / 205,151,478.87-283,109,499.09-111,066,617.37

Finding the Fourth Proportional to 205,151,478.87, 283,109,499.09 and 111,066,617.37

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Solution

The fourth proportional to 205,151,478.87, 283,109,499.09 and 111,066,617.37 is: 153,272,180.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,151,478.87 : 283,109,499.09 = 111,066,617.37 : x
  2. Step 2: Convert to fraction form
    205,151,478.87/283,109,499.09 = 111,066,617.37/x
  3. Step 3: Cross multiply
    205,151,478.87x = 283,109,499.09 × 111,066,617.37
  4. Step 4: Simplify right side
    205,151,478.87x = 31,444,014,409,241,392
  5. Step 5: Solve for x
    x = 31,444,014,409,241,392/205,151,478.87
  6. Step 6: Final answer
    x = 153,272,180.06

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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.