Finding the Fourth Proportional to 219,845,087.70, 329,767,631.55 and 214,806,239.70
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Solution
The fourth proportional to 219,845,087.70, 329,767,631.55 and 214,806,239.70 is: 322,209,359.55
Step by Step Solution
- Step 1: Write the proportion equation
219,845,087.70 : 329,767,631.55 = 214,806,239.70 : x - Step 2: Convert to fraction form
219,845,087.70/329,767,631.55 = 214,806,239.70/x - Step 3: Cross multiply
219,845,087.70x = 329,767,631.55 × 214,806,239.70 - Step 4: Simplify right side
219,845,087.70x = 70,836,144,908,030,584 - Step 5: Solve for x
x = 70,836,144,908,030,584/219,845,087.70 - Step 6: Final answer
x = 322,209,359.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.