Finding the Fourth Proportional to 292,541,031.36, 403,706,525.58 and 160,379,190.27
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Solution
The fourth proportional to 292,541,031.36, 403,706,525.58 and 160,379,190.27 is: 221,323,229.01
Step by Step Solution
- Step 1: Write the proportion equation
292,541,031.36 : 403,706,525.58 = 160,379,190.27 : x - Step 2: Convert to fraction form
292,541,031.36/403,706,525.58 = 160,379,190.27/x - Step 3: Cross multiply
292,541,031.36x = 403,706,525.58 × 160,379,190.27 - Step 4: Simplify right side
292,541,031.36x = 64,746,125,679,235,440 - Step 5: Solve for x
x = 64,746,125,679,235,440/292,541,031.36 - Step 6: Final answer
x = 221,323,229.01
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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.