Home / 84,525,525.60-126,815,523.84-38,483,868.48

Finding the Fourth Proportional to 84,525,525.60, 126,815,523.84 and 38,483,868.48

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Solution

The fourth proportional to 84,525,525.60, 126,815,523.84 and 38,483,868.48 is: 57,738,202.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,525,525.60 : 126,815,523.84 = 38,483,868.48 : x
  2. Step 2: Convert to fraction form
    84,525,525.60/126,815,523.84 = 38,483,868.48/x
  3. Step 3: Cross multiply
    84,525,525.60x = 126,815,523.84 × 38,483,868.48
  4. Step 4: Simplify right side
    84,525,525.60x = 4,880,351,940,680,864
  5. Step 5: Solve for x
    x = 4,880,351,940,680,864/84,525,525.60
  6. Step 6: Final answer
    x = 57,738,202.82

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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.