Finding the Fourth Proportional to 92,448,592.20, 138,971,486.70 and 65,707,446.60
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Solution
The fourth proportional to 92,448,592.20, 138,971,486.70 and 65,707,446.60 is: 98,773,397.45
Step by Step Solution
- Step 1: Write the proportion equation
92,448,592.20 : 138,971,486.70 = 65,707,446.60 : x - Step 2: Convert to fraction form
92,448,592.20/138,971,486.70 = 65,707,446.60/x - Step 3: Cross multiply
92,448,592.20x = 138,971,486.70 × 65,707,446.60 - Step 4: Simplify right side
92,448,592.20x = 9,131,461,541,262,860 - Step 5: Solve for x
x = 9,131,461,541,262,860/92,448,592.20 - Step 6: Final answer
x = 98,773,397.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.