Home / 203,940,475.86-281,437,897.14-111,120,983.67

Finding the Fourth Proportional to 203,940,475.86, 281,437,897.14 and 111,120,983.67

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Solution

The fourth proportional to 203,940,475.86, 281,437,897.14 and 111,120,983.67 is: 153,346,979.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,940,475.86 : 281,437,897.14 = 111,120,983.67 : x
  2. Step 2: Convert to fraction form
    203,940,475.86/281,437,897.14 = 111,120,983.67/x
  3. Step 3: Cross multiply
    203,940,475.86x = 281,437,897.14 × 111,120,983.67
  4. Step 4: Simplify right side
    203,940,475.86x = 31,273,655,972,213,080
  5. Step 5: Solve for x
    x = 31,273,655,972,213,080/203,940,475.86
  6. Step 6: Final answer
    x = 153,346,979.51

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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.