Home / 82,678,140.87-114,094,928.97-45,507,626.43

Finding the Fourth Proportional to 82,678,140.87, 114,094,928.97 and 45,507,626.43

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Solution

The fourth proportional to 82,678,140.87, 114,094,928.97 and 45,507,626.43 is: 62,800,026.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,678,140.87 : 114,094,928.97 = 45,507,626.43 : x
  2. Step 2: Convert to fraction form
    82,678,140.87/114,094,928.97 = 45,507,626.43/x
  3. Step 3: Cross multiply
    82,678,140.87x = 114,094,928.97 × 45,507,626.43
  4. Step 4: Simplify right side
    82,678,140.87x = 5,192,189,405,124,145
  5. Step 5: Solve for x
    x = 5,192,189,405,124,145/82,678,140.87
  6. Step 6: Final answer
    x = 62,800,026.11

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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.