Finding the Fourth Proportional to 168,544,770.42, 252,817,155.63 and 47,376,222.42
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Solution
The fourth proportional to 168,544,770.42, 252,817,155.63 and 47,376,222.42 is: 71,064,333.63
Step by Step Solution
- Step 1: Write the proportion equation
168,544,770.42 : 252,817,155.63 = 47,376,222.42 : x - Step 2: Convert to fraction form
168,544,770.42/252,817,155.63 = 47,376,222.42/x - Step 3: Cross multiply
168,544,770.42x = 252,817,155.63 × 47,376,222.42 - Step 4: Simplify right side
168,544,770.42x = 11,977,521,796,718,636 - Step 5: Solve for x
x = 11,977,521,796,718,636/168,544,770.42 - Step 6: Final answer
x = 71,064,333.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.