Finding the Fourth Proportional to 53,920,125.80, 80,880,188.70 and 41,165,541.80
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Solution
The fourth proportional to 53,920,125.80, 80,880,188.70 and 41,165,541.80 is: 61,748,312.70
Step by Step Solution
- Step 1: Write the proportion equation
53,920,125.80 : 80,880,188.70 = 41,165,541.80 : x - Step 2: Convert to fraction form
53,920,125.80/80,880,188.70 = 41,165,541.80/x - Step 3: Cross multiply
53,920,125.80x = 80,880,188.70 × 41,165,541.80 - Step 4: Simplify right side
53,920,125.80x = 3,329,476,788,721,737.50 - Step 5: Solve for x
x = 3,329,476,788,721,737.50/53,920,125.80 - Step 6: Final answer
x = 61,748,312.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.