Finding the Fourth Proportional to 219,065,404.99, 302,310,332.21 and 119,952,421.21
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Solution
The fourth proportional to 219,065,404.99, 302,310,332.21 and 119,952,421.21 is: 165,534,381.42
Step by Step Solution
- Step 1: Write the proportion equation
219,065,404.99 : 302,310,332.21 = 119,952,421.21 : x - Step 2: Convert to fraction form
219,065,404.99/302,310,332.21 = 119,952,421.21/x - Step 3: Cross multiply
219,065,404.99x = 302,310,332.21 × 119,952,421.21 - Step 4: Simplify right side
219,065,404.99x = 36,262,856,304,789,184 - Step 5: Solve for x
x = 36,262,856,304,789,184/219,065,404.99 - Step 6: Final answer
x = 165,534,381.42
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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.