Finding the Fourth Proportional to 229,848,148.23, 317,187,831.60 and 125,427,996.15
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Solution
The fourth proportional to 229,848,148.23, 317,187,831.60 and 125,427,996.15 is: 173,089,208.80
Step by Step Solution
- Step 1: Write the proportion equation
229,848,148.23 : 317,187,831.60 = 125,427,996.15 : x - Step 2: Convert to fraction form
229,848,148.23/317,187,831.60 = 125,427,996.15/x - Step 3: Cross multiply
229,848,148.23x = 317,187,831.60 × 125,427,996.15 - Step 4: Simplify right side
229,848,148.23x = 39,784,234,120,751,656 - Step 5: Solve for x
x = 39,784,234,120,751,656/229,848,148.23 - Step 6: Final answer
x = 173,089,208.80
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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.