Finding the Fourth Proportional to 84,106,231.29, 126,158,506.16 and 26,598,512.25
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Solution
The fourth proportional to 84,106,231.29, 126,158,506.16 and 26,598,512.25 is: 39,897,502.48
Step by Step Solution
- Step 1: Write the proportion equation
84,106,231.29 : 126,158,506.16 = 26,598,512.25 : x - Step 2: Convert to fraction form
84,106,231.29/126,158,506.16 = 26,598,512.25/x - Step 3: Cross multiply
84,106,231.29x = 126,158,506.16 × 26,598,512.25 - Step 4: Simplify right side
84,106,231.29x = 3,355,628,571,405,468 - Step 5: Solve for x
x = 3,355,628,571,405,468/84,106,231.29 - Step 6: Final answer
x = 39,897,502.48
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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.