Finding the Fourth Proportional to 122,476,998.56, 183,651,706.69 and 57,763,427.99
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Solution
The fourth proportional to 122,476,998.56, 183,651,706.69 and 57,763,427.99 is: 86,615,056.37
Step by Step Solution
- Step 1: Write the proportion equation
122,476,998.56 : 183,651,706.69 = 57,763,427.99 : x - Step 2: Convert to fraction form
122,476,998.56/183,651,706.69 = 57,763,427.99/x - Step 3: Cross multiply
122,476,998.56x = 183,651,706.69 × 57,763,427.99 - Step 4: Simplify right side
122,476,998.56x = 10,608,352,133,565,750 - Step 5: Solve for x
x = 10,608,352,133,565,750/122,476,998.56 - Step 6: Final answer
x = 86,615,056.37
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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.