Home / 203,940,526.80-281,437,967.64-111,121,034.64

Finding the Fourth Proportional to 203,940,526.80, 281,437,967.64 and 111,121,034.64

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Solution

The fourth proportional to 203,940,526.80, 281,437,967.64 and 111,121,034.64 is: 153,347,049.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,940,526.80 : 281,437,967.64 = 111,121,034.64 : x
  2. Step 2: Convert to fraction form
    203,940,526.80/281,437,967.64 = 111,121,034.64/x
  3. Step 3: Cross multiply
    203,940,526.80x = 281,437,967.64 × 111,121,034.64
  4. Step 4: Simplify right side
    203,940,526.80x = 31,273,678,151,135,636
  5. Step 5: Solve for x
    x = 31,273,678,151,135,636/203,940,526.80
  6. Step 6: Final answer
    x = 153,347,049.96

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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.