Home / 135,351,760.33-186,780,048.41-76,626,607.19

Finding the Fourth Proportional to 135,351,760.33, 186,780,048.41 and 76,626,607.19

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Solution

The fourth proportional to 135,351,760.33, 186,780,048.41 and 76,626,607.19 is: 105,741,671.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,351,760.33 : 186,780,048.41 = 76,626,607.19 : x
  2. Step 2: Convert to fraction form
    135,351,760.33/186,780,048.41 = 76,626,607.19/x
  3. Step 3: Cross multiply
    135,351,760.33x = 186,780,048.41 × 76,626,607.19
  4. Step 4: Simplify right side
    135,351,760.33x = 14,312,321,401,100,770
  5. Step 5: Solve for x
    x = 14,312,321,401,100,770/135,351,760.33
  6. Step 6: Final answer
    x = 105,741,671.67

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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.