Finding the Fourth Proportional to 85,675,425.92, 118,329,433.68 and 57,749,972.84
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Solution
The fourth proportional to 85,675,425.92, 118,329,433.68 and 57,749,972.84 is: 79,760,579.04
Step by Step Solution
- Step 1: Write the proportion equation
85,675,425.92 : 118,329,433.68 = 57,749,972.84 : x - Step 2: Convert to fraction form
85,675,425.92/118,329,433.68 = 57,749,972.84/x - Step 3: Cross multiply
85,675,425.92x = 118,329,433.68 × 57,749,972.84 - Step 4: Simplify right side
85,675,425.92x = 6,833,521,581,192,582 - Step 5: Solve for x
x = 6,833,521,581,192,582/85,675,425.92 - Step 6: Final answer
x = 79,760,579.04
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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.