Finding the Fourth Proportional to 163,525,349.07, 225,678,548.12 and 93,924,161.55
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Solution
The fourth proportional to 163,525,349.07, 225,678,548.12 and 93,924,161.55 is: 129,623,135.08
Step by Step Solution
- Step 1: Write the proportion equation
163,525,349.07 : 225,678,548.12 = 93,924,161.55 : x - Step 2: Convert to fraction form
163,525,349.07/225,678,548.12 = 93,924,161.55/x - Step 3: Cross multiply
163,525,349.07x = 225,678,548.12 × 93,924,161.55 - Step 4: Simplify right side
163,525,349.07x = 21,196,668,411,522,708 - Step 5: Solve for x
x = 21,196,668,411,522,708/163,525,349.07 - Step 6: Final answer
x = 129,623,135.08
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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.