Home / 146,862,912.40-220,294,368.60-70,335,408.40

Finding the Fourth Proportional to 146,862,912.40, 220,294,368.60 and 70,335,408.40

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Solution

The fourth proportional to 146,862,912.40, 220,294,368.60 and 70,335,408.40 is: 105,503,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,862,912.40 : 220,294,368.60 = 70,335,408.40 : x
  2. Step 2: Convert to fraction form
    146,862,912.40/220,294,368.60 = 70,335,408.40/x
  3. Step 3: Cross multiply
    146,862,912.40x = 220,294,368.60 × 70,335,408.40
  4. Step 4: Simplify right side
    146,862,912.40x = 15,494,494,383,701,138
  5. Step 5: Solve for x
    x = 15,494,494,383,701,138/146,862,912.40
  6. Step 6: Final answer
    x = 105,503,112.60

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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.