Finding the Fourth Proportional to 93,675,548.49, 129,285,785.45 and 53,975,478.62
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Solution
The fourth proportional to 93,675,548.49, 129,285,785.45 and 53,975,478.62 is: 74,493,955.58
Step by Step Solution
- Step 1: Write the proportion equation
93,675,548.49 : 129,285,785.45 = 53,975,478.62 : x - Step 2: Convert to fraction form
93,675,548.49/129,285,785.45 = 53,975,478.62/x - Step 3: Cross multiply
93,675,548.49x = 129,285,785.45 × 53,975,478.62 - Step 4: Simplify right side
93,675,548.49x = 6,978,262,148,157,303 - Step 5: Solve for x
x = 6,978,262,148,157,303/93,675,548.49 - Step 6: Final answer
x = 74,493,955.58
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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.