Home / 57,095,783.56-78,790,069.74-30,989,739.52

Finding the Fourth Proportional to 57,095,783.56, 78,790,069.74 and 30,989,739.52

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Solution

The fourth proportional to 57,095,783.56, 78,790,069.74 and 30,989,739.52 is: 42,764,694.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,095,783.56 : 78,790,069.74 = 30,989,739.52 : x
  2. Step 2: Convert to fraction form
    57,095,783.56/78,790,069.74 = 30,989,739.52/x
  3. Step 3: Cross multiply
    57,095,783.56x = 78,790,069.74 × 30,989,739.52
  4. Step 4: Simplify right side
    57,095,783.56x = 2,441,683,738,005,234
  5. Step 5: Solve for x
    x = 2,441,683,738,005,234/57,095,783.56
  6. Step 6: Final answer
    x = 42,764,694.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.