Finding the Fourth Proportional to 281,026,219.18, 387,856,748.14 and 161,926,000.92
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Solution
The fourth proportional to 281,026,219.18, 387,856,748.14 and 161,926,000.92 is: 223,481,255.02
Step by Step Solution
- Step 1: Write the proportion equation
281,026,219.18 : 387,856,748.14 = 161,926,000.92 : x - Step 2: Convert to fraction form
281,026,219.18/387,856,748.14 = 161,926,000.92/x - Step 3: Cross multiply
281,026,219.18x = 387,856,748.14 × 161,926,000.92 - Step 4: Simplify right side
281,026,219.18x = 62,804,092,156,145,840 - Step 5: Solve for x
x = 62,804,092,156,145,840/281,026,219.18 - Step 6: Final answer
x = 223,481,255.02
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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.