Finding the Fourth Proportional to 110,808,110.70, 166,212,166.05 and 74,528,405.10
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Solution
The fourth proportional to 110,808,110.70, 166,212,166.05 and 74,528,405.10 is: 111,792,607.65
Step by Step Solution
- Step 1: Write the proportion equation
110,808,110.70 : 166,212,166.05 = 74,528,405.10 : x - Step 2: Convert to fraction form
110,808,110.70/166,212,166.05 = 74,528,405.10/x - Step 3: Cross multiply
110,808,110.70x = 166,212,166.05 × 74,528,405.10 - Step 4: Simplify right side
110,808,110.70x = 12,387,527,643,922,866 - Step 5: Solve for x
x = 12,387,527,643,922,866/110,808,110.70 - Step 6: Final answer
x = 111,792,607.65
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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.