Finding the Fourth Proportional to 88,913,303.76, 122,701,812.02 and 48,678,628.44
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Solution
The fourth proportional to 88,913,303.76, 122,701,812.02 and 48,678,628.44 is: 67,177,302.65
Step by Step Solution
- Step 1: Write the proportion equation
88,913,303.76 : 122,701,812.02 = 48,678,628.44 : x - Step 2: Convert to fraction form
88,913,303.76/122,701,812.02 = 48,678,628.44/x - Step 3: Cross multiply
88,913,303.76x = 122,701,812.02 × 48,678,628.44 - Step 4: Simplify right side
88,913,303.76x = 5,972,955,915,992,912 - Step 5: Solve for x
x = 5,972,955,915,992,912/88,913,303.76 - Step 6: Final answer
x = 67,177,302.65
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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.