Finding the Fourth Proportional to 106,573,852.91, 147,084,677.92 and 64,764,749.75
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Solution
The fourth proportional to 106,573,852.91, 147,084,677.92 and 64,764,749.75 is: 89,383,109.43
Step by Step Solution
- Step 1: Write the proportion equation
106,573,852.91 : 147,084,677.92 = 64,764,749.75 : x - Step 2: Convert to fraction form
106,573,852.91/147,084,677.92 = 64,764,749.75/x - Step 3: Cross multiply
106,573,852.91x = 147,084,677.92 × 64,764,749.75 - Step 4: Simplify right side
106,573,852.91x = 9,525,902,356,893,682 - Step 5: Solve for x
x = 9,525,902,356,893,682/106,573,852.91 - Step 6: Final answer
x = 89,383,109.43
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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.