Home / 87,562,836-131,365,512.84-26,978,559.84

Finding the Fourth Proportional to 87,562,836, 131,365,512.84 and 26,978,559.84

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Solution

The fourth proportional to 87,562,836, 131,365,512.84 and 26,978,559.84 is: 40,474,389.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,562,836 : 131,365,512.84 = 26,978,559.84 : x
  2. Step 2: Convert to fraction form
    87,562,836/131,365,512.84 = 26,978,559.84/x
  3. Step 3: Cross multiply
    87,562,836x = 131,365,512.84 × 26,978,559.84
  4. Step 4: Simplify right side
    87,562,836x = 3,544,052,349,066,228.50
  5. Step 5: Solve for x
    x = 3,544,052,349,066,228.50/87,562,836
  6. Step 6: Final answer
    x = 40,474,389.72

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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.