Finding the Fourth Proportional to 71,266,601.84, 98,348,180.28 and 38,671,553.84
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Solution
The fourth proportional to 71,266,601.84, 98,348,180.28 and 38,671,553.84 is: 53,366,890.67
Step by Step Solution
- Step 1: Write the proportion equation
71,266,601.84 : 98,348,180.28 = 38,671,553.84 : x - Step 2: Convert to fraction form
71,266,601.84/98,348,180.28 = 38,671,553.84/x - Step 3: Cross multiply
71,266,601.84x = 98,348,180.28 × 38,671,553.84 - Step 4: Simplify right side
71,266,601.84x = 3,803,276,948,764,046.50 - Step 5: Solve for x
x = 3,803,276,948,764,046.50/71,266,601.84 - Step 6: Final answer
x = 53,366,890.67
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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.