Finding the Fourth Proportional to 106,620,145.84, 159,930,218.70 and 25,841,113.84
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Solution
The fourth proportional to 106,620,145.84, 159,930,218.70 and 25,841,113.84 is: 38,761,670.75
Step by Step Solution
- Step 1: Write the proportion equation
106,620,145.84 : 159,930,218.70 = 25,841,113.84 : x - Step 2: Convert to fraction form
106,620,145.84/159,930,218.70 = 25,841,113.84/x - Step 3: Cross multiply
106,620,145.84x = 159,930,218.70 × 25,841,113.84 - Step 4: Simplify right side
106,620,145.84x = 4,132,774,987,882,796.50 - Step 5: Solve for x
x = 4,132,774,987,882,796.50/106,620,145.84 - Step 6: Final answer
x = 38,761,670.75
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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.