Home / 80,874,316.80-121,311,475.20-50,263,315.20

Finding the Fourth Proportional to 80,874,316.80, 121,311,475.20 and 50,263,315.20

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Solution

The fourth proportional to 80,874,316.80, 121,311,475.20 and 50,263,315.20 is: 75,394,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,874,316.80 : 121,311,475.20 = 50,263,315.20 : x
  2. Step 2: Convert to fraction form
    80,874,316.80/121,311,475.20 = 50,263,315.20/x
  3. Step 3: Cross multiply
    80,874,316.80x = 121,311,475.20 × 50,263,315.20
  4. Step 4: Simplify right side
    80,874,316.80x = 6,097,516,915,354,584
  5. Step 5: Solve for x
    x = 6,097,516,915,354,584/80,874,316.80
  6. Step 6: Final answer
    x = 75,394,972.80

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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.