Home / 81,400,814.33-122,074,981.59-26,800,399.91

Finding the Fourth Proportional to 81,400,814.33, 122,074,981.59 and 26,800,399.91

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Solution

The fourth proportional to 81,400,814.33, 122,074,981.59 and 26,800,399.91 is: 40,191,960.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,400,814.33 : 122,074,981.59 = 26,800,399.91 : x
  2. Step 2: Convert to fraction form
    81,400,814.33/122,074,981.59 = 26,800,399.91/x
  3. Step 3: Cross multiply
    81,400,814.33x = 122,074,981.59 × 26,800,399.91
  4. Step 4: Simplify right side
    81,400,814.33x = 3,271,658,325,529,683.50
  5. Step 5: Solve for x
    x = 3,271,658,325,529,683.50/81,400,814.33
  6. Step 6: Final answer
    x = 40,191,960.64

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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.