Finding the Fourth Proportional to 126,276,893.40, 174,262,637.70 and 68,330,141.40
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Solution
The fourth proportional to 126,276,893.40, 174,262,637.70 and 68,330,141.40 is: 94,295,879.11
Step by Step Solution
- Step 1: Write the proportion equation
126,276,893.40 : 174,262,637.70 = 68,330,141.40 : x - Step 2: Convert to fraction form
126,276,893.40/174,262,637.70 = 68,330,141.40/x - Step 3: Cross multiply
126,276,893.40x = 174,262,637.70 × 68,330,141.40 - Step 4: Simplify right side
126,276,893.40x = 11,907,390,674,777,972 - Step 5: Solve for x
x = 11,907,390,674,777,972/126,276,893.40 - Step 6: Final answer
x = 94,295,879.11
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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.