Finding the Fourth Proportional to 74,348,665.68, 111,479,695.92 and 28,857,316.08
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Solution
The fourth proportional to 74,348,665.68, 111,479,695.92 and 28,857,316.08 is: 43,269,166.87
Step by Step Solution
- Step 1: Write the proportion equation
74,348,665.68 : 111,479,695.92 = 28,857,316.08 : x - Step 2: Convert to fraction form
74,348,665.68/111,479,695.92 = 28,857,316.08/x - Step 3: Cross multiply
74,348,665.68x = 111,479,695.92 × 28,857,316.08 - Step 4: Simplify right side
74,348,665.68x = 3,217,004,821,665,726 - Step 5: Solve for x
x = 3,217,004,821,665,726/74,348,665.68 - Step 6: Final answer
x = 43,269,166.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.