Finding the Fourth Proportional to 76,922,551.80, 115,383,827.70 and 23,069,863.80
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Solution
The fourth proportional to 76,922,551.80, 115,383,827.70 and 23,069,863.80 is: 34,604,795.70
Step by Step Solution
- Step 1: Write the proportion equation
76,922,551.80 : 115,383,827.70 = 23,069,863.80 : x - Step 2: Convert to fraction form
76,922,551.80/115,383,827.70 = 23,069,863.80/x - Step 3: Cross multiply
76,922,551.80x = 115,383,827.70 × 23,069,863.80 - Step 4: Simplify right side
76,922,551.80x = 2,661,889,189,761,667.50 - Step 5: Solve for x
x = 2,661,889,189,761,667.50/76,922,551.80 - Step 6: Final answer
x = 34,604,795.70
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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.