Finding the Fourth Proportional to 136,865,092.44, 188,873,823.42 and 74,987,774.04
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Solution
The fourth proportional to 136,865,092.44, 188,873,823.42 and 74,987,774.04 is: 103,483,125.90
Step by Step Solution
- Step 1: Write the proportion equation
136,865,092.44 : 188,873,823.42 = 74,987,774.04 : x - Step 2: Convert to fraction form
136,865,092.44/188,873,823.42 = 74,987,774.04/x - Step 3: Cross multiply
136,865,092.44x = 188,873,823.42 × 74,987,774.04 - Step 4: Simplify right side
136,865,092.44x = 14,163,227,592,689,820 - Step 5: Solve for x
x = 14,163,227,592,689,820/136,865,092.44 - Step 6: Final answer
x = 103,483,125.90
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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.