Home / 331,237,736.32-457,102,145.62-180,531,749.38

Finding the Fourth Proportional to 331,237,736.32, 457,102,145.62 and 180,531,749.38

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Solution

The fourth proportional to 331,237,736.32, 457,102,145.62 and 180,531,749.38 is: 249,130,581.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,237,736.32 : 457,102,145.62 = 180,531,749.38 : x
  2. Step 2: Convert to fraction form
    331,237,736.32/457,102,145.62 = 180,531,749.38/x
  3. Step 3: Cross multiply
    331,237,736.32x = 457,102,145.62 × 180,531,749.38
  4. Step 4: Simplify right side
    331,237,736.32x = 82,521,449,994,130,096
  5. Step 5: Solve for x
    x = 82,521,449,994,130,096/331,237,736.32
  6. Step 6: Final answer
    x = 249,130,581.89

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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.