Finding the Fourth Proportional to 122,476,245.40, 183,462,425.70 and 61,926,088.60
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Solution
The fourth proportional to 122,476,245.40, 183,462,425.70 and 61,926,088.60 is: 92,761,746.50
Step by Step Solution
- Step 1: Write the proportion equation
122,476,245.40 : 183,462,425.70 = 61,926,088.60 : x - Step 2: Convert to fraction form
122,476,245.40/183,462,425.70 = 61,926,088.60/x - Step 3: Cross multiply
122,476,245.40x = 183,462,425.70 × 61,926,088.60 - Step 4: Simplify right side
122,476,245.40x = 11,361,110,428,669,116 - Step 5: Solve for x
x = 11,361,110,428,669,116/122,476,245.40 - Step 6: Final answer
x = 92,761,746.50
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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.