Finding the Fourth Proportional to 74,508,721.08, 102,825,416.98 and 41,471,082.60
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Solution
The fourth proportional to 74,508,721.08, 102,825,416.98 and 41,471,082.60 is: 57,231,976.33
Step by Step Solution
- Step 1: Write the proportion equation
74,508,721.08 : 102,825,416.98 = 41,471,082.60 : x - Step 2: Convert to fraction form
74,508,721.08/102,825,416.98 = 41,471,082.60/x - Step 3: Cross multiply
74,508,721.08x = 102,825,416.98 × 41,471,082.60 - Step 4: Simplify right side
74,508,721.08x = 4,264,281,360,957,023 - Step 5: Solve for x
x = 4,264,281,360,957,023/74,508,721.08 - Step 6: Final answer
x = 57,231,976.33
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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.