Finding the Fourth Proportional to 278,788,050.17, 418,229,717.39 and 114,936,237.01
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Solution
The fourth proportional to 278,788,050.17, 418,229,717.39 and 114,936,237.01 is: 172,423,996.99
Step by Step Solution
- Step 1: Write the proportion equation
278,788,050.17 : 418,229,717.39 = 114,936,237.01 : x - Step 2: Convert to fraction form
278,788,050.17/418,229,717.39 = 114,936,237.01/x - Step 3: Cross multiply
278,788,050.17x = 418,229,717.39 × 114,936,237.01 - Step 4: Simplify right side
278,788,050.17x = 48,069,749,922,562,360 - Step 5: Solve for x
x = 48,069,749,922,562,360/278,788,050.17 - Step 6: Final answer
x = 172,423,996.99
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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.