Home / 103,633,806.40-155,450,709.60-49,768,129.60

Finding the Fourth Proportional to 103,633,806.40, 155,450,709.60 and 49,768,129.60

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Solution

The fourth proportional to 103,633,806.40, 155,450,709.60 and 49,768,129.60 is: 74,652,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,633,806.40 : 155,450,709.60 = 49,768,129.60 : x
  2. Step 2: Convert to fraction form
    103,633,806.40/155,450,709.60 = 49,768,129.60/x
  3. Step 3: Cross multiply
    103,633,806.40x = 155,450,709.60 × 49,768,129.60
  4. Step 4: Simplify right side
    103,633,806.40x = 7,736,491,061,784,764
  5. Step 5: Solve for x
    x = 7,736,491,061,784,764/103,633,806.40
  6. Step 6: Final answer
    x = 74,652,194.40

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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.