Finding the Fourth Proportional to 74,429,546.24, 102,713,985.84 and 40,940,348.96
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Solution
The fourth proportional to 74,429,546.24, 102,713,985.84 and 40,940,348.96 is: 56,498,348.25
Step by Step Solution
- Step 1: Write the proportion equation
74,429,546.24 : 102,713,985.84 = 40,940,348.96 : x - Step 2: Convert to fraction form
74,429,546.24/102,713,985.84 = 40,940,348.96/x - Step 3: Cross multiply
74,429,546.24x = 102,713,985.84 × 40,940,348.96 - Step 4: Simplify right side
74,429,546.24x = 4,205,146,423,362,099 - Step 5: Solve for x
x = 4,205,146,423,362,099/74,429,546.24 - Step 6: Final answer
x = 56,498,348.25
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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.