Finding the Fourth Proportional to 279,080,228.10, 418,588,399.92 and 74,624,246.58
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Solution
The fourth proportional to 279,080,228.10, 418,588,399.92 and 74,624,246.58 is: 111,927,828.72
Step by Step Solution
- Step 1: Write the proportion equation
279,080,228.10 : 418,588,399.92 = 74,624,246.58 : x - Step 2: Convert to fraction form
279,080,228.10/418,588,399.92 = 74,624,246.58/x - Step 3: Cross multiply
279,080,228.10x = 418,588,399.92 × 74,624,246.58 - Step 4: Simplify right side
279,080,228.10x = 31,236,843,971,157,732 - Step 5: Solve for x
x = 31,236,843,971,157,732/279,080,228.10 - Step 6: Final answer
x = 111,927,828.72
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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.