Home / 45,479,125.27-68,254,063.78-31,743,036.26

Finding the Fourth Proportional to 45,479,125.27, 68,254,063.78 and 31,743,036.26

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Solution

The fourth proportional to 45,479,125.27, 68,254,063.78 and 31,743,036.26 is: 47,639,245.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,479,125.27 : 68,254,063.78 = 31,743,036.26 : x
  2. Step 2: Convert to fraction form
    45,479,125.27/68,254,063.78 = 31,743,036.26/x
  3. Step 3: Cross multiply
    45,479,125.27x = 68,254,063.78 × 31,743,036.26
  4. Step 4: Simplify right side
    45,479,125.27x = 2,166,591,221,460,892.75
  5. Step 5: Solve for x
    x = 2,166,591,221,460,892.75/45,479,125.27
  6. Step 6: Final answer
    x = 47,639,245.67

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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.