Home / 39,076,997.67-53,863,969.28-30,803,576.67

Finding the Fourth Proportional to 39,076,997.67, 53,863,969.28 and 30,803,576.67

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Solution

The fourth proportional to 39,076,997.67, 53,863,969.28 and 30,803,576.67 is: 42,459,835.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,076,997.67 : 53,863,969.28 = 30,803,576.67 : x
  2. Step 2: Convert to fraction form
    39,076,997.67/53,863,969.28 = 30,803,576.67/x
  3. Step 3: Cross multiply
    39,076,997.67x = 53,863,969.28 × 30,803,576.67
  4. Step 4: Simplify right side
    39,076,997.67x = 1,659,202,907,312,986.75
  5. Step 5: Solve for x
    x = 1,659,202,907,312,986.75/39,076,997.67
  6. Step 6: Final answer
    x = 42,459,835.87

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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.