Finding the Fourth Proportional to 88,564,023.06, 122,218,012.50 and 49,405,768.62
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Solution
The fourth proportional to 88,564,023.06, 122,218,012.50 and 49,405,768.62 is: 68,179,771.40
Step by Step Solution
- Step 1: Write the proportion equation
88,564,023.06 : 122,218,012.50 = 49,405,768.62 : x - Step 2: Convert to fraction form
88,564,023.06/122,218,012.50 = 49,405,768.62/x - Step 3: Cross multiply
88,564,023.06x = 122,218,012.50 × 49,405,768.62 - Step 4: Simplify right side
88,564,023.06x = 6,038,274,846,771,267 - Step 5: Solve for x
x = 6,038,274,846,771,267/88,564,023.06 - Step 6: Final answer
x = 68,179,771.40
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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.