Finding the Fourth Proportional to 212,204,234.16, 292,841,798.04 and 118,116,352.17
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Solution
The fourth proportional to 212,204,234.16, 292,841,798.04 and 118,116,352.17 is: 163,000,540.89
Step by Step Solution
- Step 1: Write the proportion equation
212,204,234.16 : 292,841,798.04 = 118,116,352.17 : x - Step 2: Convert to fraction form
212,204,234.16/292,841,798.04 = 118,116,352.17/x - Step 3: Cross multiply
212,204,234.16x = 292,841,798.04 × 118,116,352.17 - Step 4: Simplify right side
212,204,234.16x = 34,589,404,947,388,660 - Step 5: Solve for x
x = 34,589,404,947,388,660/212,204,234.16 - Step 6: Final answer
x = 163,000,540.89
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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.