Home / 73,212,250.30-109,819,019.09-18,624,893.72

Finding the Fourth Proportional to 73,212,250.30, 109,819,019.09 and 18,624,893.72

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Solution

The fourth proportional to 73,212,250.30, 109,819,019.09 and 18,624,893.72 is: 27,937,504.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,212,250.30 : 109,819,019.09 = 18,624,893.72 : x
  2. Step 2: Convert to fraction form
    73,212,250.30/109,819,019.09 = 18,624,893.72/x
  3. Step 3: Cross multiply
    73,212,250.30x = 109,819,019.09 × 18,624,893.72
  4. Step 4: Simplify right side
    73,212,250.30x = 2,045,367,558,483,368.25
  5. Step 5: Solve for x
    x = 2,045,367,558,483,368.25/73,212,250.30
  6. Step 6: Final answer
    x = 27,937,504.31

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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.