Finding the Fourth Proportional to 272,126,630.37, 375,523,933.30 and 160,653,379.97
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Solution
The fourth proportional to 272,126,630.37, 375,523,933.30 and 160,653,379.97 is: 221,695,278.64
Step by Step Solution
- Step 1: Write the proportion equation
272,126,630.37 : 375,523,933.30 = 160,653,379.97 : x - Step 2: Convert to fraction form
272,126,630.37/375,523,933.30 = 160,653,379.97/x - Step 3: Cross multiply
272,126,630.37x = 375,523,933.30 × 160,653,379.97 - Step 4: Simplify right side
272,126,630.37x = 60,329,189,144,273,840 - Step 5: Solve for x
x = 60,329,189,144,273,840/272,126,630.37 - Step 6: Final answer
x = 221,695,278.64
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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.