Finding the Fourth Proportional to 213,129,142.04, 294,118,097.82 and 120,310,451.48
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Solution
The fourth proportional to 213,129,142.04, 294,118,097.82 and 120,310,451.48 is: 166,028,356.32
Step by Step Solution
- Step 1: Write the proportion equation
213,129,142.04 : 294,118,097.82 = 120,310,451.48 : x - Step 2: Convert to fraction form
213,129,142.04/294,118,097.82 = 120,310,451.48/x - Step 3: Cross multiply
213,129,142.04x = 294,118,097.82 × 120,310,451.48 - Step 4: Simplify right side
213,129,142.04x = 35,385,481,137,163,004 - Step 5: Solve for x
x = 35,385,481,137,163,004/213,129,142.04 - Step 6: Final answer
x = 166,028,356.32
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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.