Finding the Fourth Proportional to 68,247,883.53, 94,171,544.28 and 38,875,483.98
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Solution
The fourth proportional to 68,247,883.53, 94,171,544.28 and 38,875,483.98 is: 53,642,166.93
Step by Step Solution
- Step 1: Write the proportion equation
68,247,883.53 : 94,171,544.28 = 38,875,483.98 : x - Step 2: Convert to fraction form
68,247,883.53/94,171,544.28 = 38,875,483.98/x - Step 3: Cross multiply
68,247,883.53x = 94,171,544.28 × 38,875,483.98 - Step 4: Simplify right side
68,247,883.53x = 3,660,964,361,029,000.50 - Step 5: Solve for x
x = 3,660,964,361,029,000.50/68,247,883.53 - Step 6: Final answer
x = 53,642,166.93
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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.