Finding the Fourth Proportional to 79,628,911.71, 109,891,307.56 and 44,346,716.63
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Solution
The fourth proportional to 79,628,911.71, 109,891,307.56 and 44,346,716.63 is: 61,200,367.70
Step by Step Solution
- Step 1: Write the proportion equation
79,628,911.71 : 109,891,307.56 = 44,346,716.63 : x - Step 2: Convert to fraction form
79,628,911.71/109,891,307.56 = 44,346,716.63/x - Step 3: Cross multiply
79,628,911.71x = 109,891,307.56 × 44,346,716.63 - Step 4: Simplify right side
79,628,911.71x = 4,873,318,676,298,194 - Step 5: Solve for x
x = 4,873,318,676,298,194/79,628,911.71 - Step 6: Final answer
x = 61,200,367.70
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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.