Home / 101,172,384.63-151,519,520.07-49,392,447.75

Finding the Fourth Proportional to 101,172,384.63, 151,519,520.07 and 49,392,447.75

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Solution

The fourth proportional to 101,172,384.63, 151,519,520.07 and 49,392,447.75 is: 73,971,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,172,384.63 : 151,519,520.07 = 49,392,447.75 : x
  2. Step 2: Convert to fraction form
    101,172,384.63/151,519,520.07 = 49,392,447.75/x
  3. Step 3: Cross multiply
    101,172,384.63x = 151,519,520.07 × 49,392,447.75
  4. Step 4: Simplify right side
    101,172,384.63x = 7,483,919,978,347,772
  5. Step 5: Solve for x
    x = 7,483,919,978,347,772/101,172,384.63
  6. Step 6: Final answer
    x = 73,971,963.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.