Finding the Fourth Proportional to 192,448,483.79, 288,701,533.31 and 69,655,531.05
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Solution
The fourth proportional to 192,448,483.79, 288,701,533.31 and 69,655,531.05 is: 104,493,723.32
Step by Step Solution
- Step 1: Write the proportion equation
192,448,483.79 : 288,701,533.31 = 69,655,531.05 : x - Step 2: Convert to fraction form
192,448,483.79/288,701,533.31 = 69,655,531.05/x - Step 3: Cross multiply
192,448,483.79x = 288,701,533.31 × 69,655,531.05 - Step 4: Simplify right side
192,448,483.79x = 20,109,658,618,569,036 - Step 5: Solve for x
x = 20,109,658,618,569,036/192,448,483.79 - Step 6: Final answer
x = 104,493,723.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.