Finding the Fourth Proportional to 279,080,226.09, 418,588,396.92 and 74,624,244.57
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Solution
The fourth proportional to 279,080,226.09, 418,588,396.92 and 74,624,244.57 is: 111,927,825.71
Step by Step Solution
- Step 1: Write the proportion equation
279,080,226.09 : 418,588,396.92 = 74,624,244.57 : x - Step 2: Convert to fraction form
279,080,226.09/418,588,396.92 = 74,624,244.57/x - Step 3: Cross multiply
279,080,226.09x = 418,588,396.92 × 74,624,244.57 - Step 4: Simplify right side
279,080,226.09x = 31,236,842,905,922,312 - Step 5: Solve for x
x = 31,236,842,905,922,312/279,080,226.09 - Step 6: Final answer
x = 111,927,825.71
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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.