Finding the Fourth Proportional to 81,651,614.27, 112,679,030.42 and 44,482,199.98
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Solution
The fourth proportional to 81,651,614.27, 112,679,030.42 and 44,482,199.98 is: 61,385,328.50
Step by Step Solution
- Step 1: Write the proportion equation
81,651,614.27 : 112,679,030.42 = 44,482,199.98 : x - Step 2: Convert to fraction form
81,651,614.27/112,679,030.42 = 44,482,199.98/x - Step 3: Cross multiply
81,651,614.27x = 112,679,030.42 × 44,482,199.98 - Step 4: Simplify right side
81,651,614.27x = 5,012,211,164,694,943 - Step 5: Solve for x
x = 5,012,211,164,694,943/81,651,614.27 - Step 6: Final answer
x = 61,385,328.50
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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.