Finding the Fourth Proportional to 122,735,670.66, 169,378,816.32 and 66,984,666.84
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Solution
The fourth proportional to 122,735,670.66, 169,378,816.32 and 66,984,666.84 is: 92,440,799.97
Step by Step Solution
- Step 1: Write the proportion equation
122,735,670.66 : 169,378,816.32 = 66,984,666.84 : x - Step 2: Convert to fraction form
122,735,670.66/169,378,816.32 = 66,984,666.84/x - Step 3: Cross multiply
122,735,670.66x = 169,378,816.32 × 66,984,666.84 - Step 4: Simplify right side
122,735,670.66x = 11,345,783,580,948,754 - Step 5: Solve for x
x = 11,345,783,580,948,754/122,735,670.66 - Step 6: Final answer
x = 92,440,799.97
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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.