Home / 75,780,321.70-113,670,482.55-68,127,571.30

Finding the Fourth Proportional to 75,780,321.70, 113,670,482.55 and 68,127,571.30

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Solution

The fourth proportional to 75,780,321.70, 113,670,482.55 and 68,127,571.30 is: 102,191,356.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,780,321.70 : 113,670,482.55 = 68,127,571.30 : x
  2. Step 2: Convert to fraction form
    75,780,321.70/113,670,482.55 = 68,127,571.30/x
  3. Step 3: Cross multiply
    75,780,321.70x = 113,670,482.55 × 68,127,571.30
  4. Step 4: Simplify right side
    75,780,321.70x = 7,744,093,904,630,530
  5. Step 5: Solve for x
    x = 7,744,093,904,630,530/75,780,321.70
  6. Step 6: Final answer
    x = 102,191,356.95

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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.