Finding the Fourth Proportional to 79,490,410.40, 119,113,935.68 and 53,486,406.88
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Solution
The fourth proportional to 79,490,410.40, 119,113,935.68 and 53,486,406.88 is: 80,147,736.02
Step by Step Solution
- Step 1: Write the proportion equation
79,490,410.40 : 119,113,935.68 = 53,486,406.88 : x - Step 2: Convert to fraction form
79,490,410.40/119,113,935.68 = 53,486,406.88/x - Step 3: Cross multiply
79,490,410.40x = 119,113,935.68 × 53,486,406.88 - Step 4: Simplify right side
79,490,410.40x = 6,370,976,428,858,630 - Step 5: Solve for x
x = 6,370,976,428,858,630/79,490,410.40 - Step 6: Final answer
x = 80,147,736.02
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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.