Home / 68,405,911.99-102,609,532.28-54,725,071.52

Finding the Fourth Proportional to 68,405,911.99, 102,609,532.28 and 54,725,071.52

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Solution

The fourth proportional to 68,405,911.99, 102,609,532.28 and 54,725,071.52 is: 82,088,138.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,405,911.99 : 102,609,532.28 = 54,725,071.52 : x
  2. Step 2: Convert to fraction form
    68,405,911.99/102,609,532.28 = 54,725,071.52/x
  3. Step 3: Cross multiply
    68,405,911.99x = 102,609,532.28 × 54,725,071.52
  4. Step 4: Simplify right side
    68,405,911.99x = 5,615,313,993,050,085
  5. Step 5: Solve for x
    x = 5,615,313,993,050,085/68,405,911.99
  6. Step 6: Final answer
    x = 82,088,138.73

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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.