Finding the Fourth Proportional to 213,129,253.04, 294,118,251 and 120,310,562.48
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Solution
The fourth proportional to 213,129,253.04, 294,118,251 and 120,310,562.48 is: 166,028,509.50
Step by Step Solution
- Step 1: Write the proportion equation
213,129,253.04 : 294,118,251 = 120,310,562.48 : x - Step 2: Convert to fraction form
213,129,253.04/294,118,251 = 120,310,562.48/x - Step 3: Cross multiply
213,129,253.04x = 294,118,251 × 120,310,562.48 - Step 4: Simplify right side
213,129,253.04x = 35,385,532,213,443,824 - Step 5: Solve for x
x = 35,385,532,213,443,824/213,129,253.04 - Step 6: Final answer
x = 166,028,509.50
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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.