Finding the Fourth Proportional to 132,647,795.28, 183,054,683.68 and 76,926,253.12
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Solution
The fourth proportional to 132,647,795.28, 183,054,683.68 and 76,926,253.12 is: 106,158,650.45
Step by Step Solution
- Step 1: Write the proportion equation
132,647,795.28 : 183,054,683.68 = 76,926,253.12 : x - Step 2: Convert to fraction form
132,647,795.28/183,054,683.68 = 76,926,253.12/x - Step 3: Cross multiply
132,647,795.28x = 183,054,683.68 × 76,926,253.12 - Step 4: Simplify right side
132,647,795.28x = 14,081,710,931,569,214 - Step 5: Solve for x
x = 14,081,710,931,569,214/132,647,795.28 - Step 6: Final answer
x = 106,158,650.45
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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.