Finding the Fourth Proportional to 219,050,869.19, 302,278,223.66 and 119,912,437.80
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Solution
The fourth proportional to 219,050,869.19, 302,278,223.66 and 119,912,437.80 is: 165,472,608.38
Step by Step Solution
- Step 1: Write the proportion equation
219,050,869.19 : 302,278,223.66 = 119,912,437.80 : x - Step 2: Convert to fraction form
219,050,869.19/302,278,223.66 = 119,912,437.80/x - Step 3: Cross multiply
219,050,869.19x = 302,278,223.66 × 119,912,437.80 - Step 4: Simplify right side
219,050,869.19x = 36,246,918,692,324,672 - Step 5: Solve for x
x = 36,246,918,692,324,672/219,050,869.19 - Step 6: Final answer
x = 165,472,608.38
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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.