Finding the Fourth Proportional to 248,102,801.40, 372,154,202.10 and 166,473,463.80
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Solution
The fourth proportional to 248,102,801.40, 372,154,202.10 and 166,473,463.80 is: 249,710,195.70
Step by Step Solution
- Step 1: Write the proportion equation
248,102,801.40 : 372,154,202.10 = 166,473,463.80 : x - Step 2: Convert to fraction form
248,102,801.40/372,154,202.10 = 166,473,463.80/x - Step 3: Cross multiply
248,102,801.40x = 372,154,202.10 × 166,473,463.80 - Step 4: Simplify right side
248,102,801.40x = 61,953,799,091,312,240 - Step 5: Solve for x
x = 61,953,799,091,312,240/248,102,801.40 - Step 6: Final answer
x = 249,710,195.70
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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.