Finding the Fourth Proportional to 219,827,298.53, 303,347,874.35 and 120,707,352.02
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Solution
The fourth proportional to 219,827,298.53, 303,347,874.35 and 120,707,352.02 is: 166,568,569.50
Step by Step Solution
- Step 1: Write the proportion equation
219,827,298.53 : 303,347,874.35 = 120,707,352.02 : x - Step 2: Convert to fraction form
219,827,298.53/303,347,874.35 = 120,707,352.02/x - Step 3: Cross multiply
219,827,298.53x = 303,347,874.35 × 120,707,352.02 - Step 4: Simplify right side
219,827,298.53x = 36,616,318,653,080,648 - Step 5: Solve for x
x = 36,616,318,653,080,648/219,827,298.53 - Step 6: Final answer
x = 166,568,569.50
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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.