Finding the Fourth Proportional to 102,616,350.72, 141,624,653.13 and 62,916,860.76
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Solution
The fourth proportional to 102,616,350.72, 141,624,653.13 and 62,916,860.76 is: 86,833,906.28
Step by Step Solution
- Step 1: Write the proportion equation
102,616,350.72 : 141,624,653.13 = 62,916,860.76 : x - Step 2: Convert to fraction form
102,616,350.72/141,624,653.13 = 62,916,860.76/x - Step 3: Cross multiply
102,616,350.72x = 141,624,653.13 × 62,916,860.76 - Step 4: Simplify right side
102,616,350.72x = 8,910,578,581,163,508 - Step 5: Solve for x
x = 8,910,578,581,163,508/102,616,350.72 - Step 6: Final answer
x = 86,833,906.28
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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.