Finding the Fourth Proportional to 226,622,431.08, 312,759,558.18 and 128,837,053.80
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Solution
The fourth proportional to 226,622,431.08, 312,759,558.18 and 128,837,053.80 is: 177,806,847.41
Step by Step Solution
- Step 1: Write the proportion equation
226,622,431.08 : 312,759,558.18 = 128,837,053.80 : x - Step 2: Convert to fraction form
226,622,431.08/312,759,558.18 = 128,837,053.80/x - Step 3: Cross multiply
226,622,431.08x = 312,759,558.18 × 128,837,053.80 - Step 4: Simplify right side
226,622,431.08x = 40,295,020,023,700,888 - Step 5: Solve for x
x = 40,295,020,023,700,888/226,622,431.08 - Step 6: Final answer
x = 177,806,847.41
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.