Home / 70,685,765.40-106,028,648.10-52,545,912.60

Finding the Fourth Proportional to 70,685,765.40, 106,028,648.10 and 52,545,912.60

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Solution

The fourth proportional to 70,685,765.40, 106,028,648.10 and 52,545,912.60 is: 78,818,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,685,765.40 : 106,028,648.10 = 52,545,912.60 : x
  2. Step 2: Convert to fraction form
    70,685,765.40/106,028,648.10 = 52,545,912.60/x
  3. Step 3: Cross multiply
    70,685,765.40x = 106,028,648.10 × 52,545,912.60
  4. Step 4: Simplify right side
    70,685,765.40x = 5,571,372,076,158,756
  5. Step 5: Solve for x
    x = 5,571,372,076,158,756/70,685,765.40
  6. Step 6: Final answer
    x = 78,818,868.90

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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.