Finding the Fourth Proportional to 74,616,071.12, 102,970,391.52 and 43,260,213.84
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Solution
The fourth proportional to 74,616,071.12, 102,970,391.52 and 43,260,213.84 is: 59,699,218.81
Step by Step Solution
- Step 1: Write the proportion equation
74,616,071.12 : 102,970,391.52 = 43,260,213.84 : x - Step 2: Convert to fraction form
74,616,071.12/102,970,391.52 = 43,260,213.84/x - Step 3: Cross multiply
74,616,071.12x = 102,970,391.52 × 43,260,213.84 - Step 4: Simplify right side
74,616,071.12x = 4,454,521,156,343,723 - Step 5: Solve for x
x = 4,454,521,156,343,723/74,616,071.12 - Step 6: Final answer
x = 59,699,218.81
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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.