Finding the Fourth Proportional to 105,532,085.93, 145,634,292.64 and 58,492,193.09
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Solution
The fourth proportional to 105,532,085.93, 145,634,292.64 and 58,492,193.09 is: 80,719,234.26
Step by Step Solution
- Step 1: Write the proportion equation
105,532,085.93 : 145,634,292.64 = 58,492,193.09 : x - Step 2: Convert to fraction form
105,532,085.93/145,634,292.64 = 58,492,193.09/x - Step 3: Cross multiply
105,532,085.93x = 145,634,292.64 × 58,492,193.09 - Step 4: Simplify right side
105,532,085.93x = 8,518,469,165,624,446 - Step 5: Solve for x
x = 8,518,469,165,624,446/105,532,085.93 - Step 6: Final answer
x = 80,719,234.26
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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.