Finding the Fourth Proportional to 109,573,620.84, 151,214,043.84 and 62,529,757.52
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Solution
The fourth proportional to 109,573,620.84, 151,214,043.84 and 62,529,757.52 is: 86,292,461.84
Step by Step Solution
- Step 1: Write the proportion equation
109,573,620.84 : 151,214,043.84 = 62,529,757.52 : x - Step 2: Convert to fraction form
109,573,620.84/151,214,043.84 = 62,529,757.52/x - Step 3: Cross multiply
109,573,620.84x = 151,214,043.84 × 62,529,757.52 - Step 4: Simplify right side
109,573,620.84x = 9,455,377,494,933,850 - Step 5: Solve for x
x = 9,455,377,494,933,850/109,573,620.84 - Step 6: Final answer
x = 86,292,461.84
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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.