Finding the Fourth Proportional to 49,055,913.13, 67,675,890.12 and 29,198,543.28
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Solution
The fourth proportional to 49,055,913.13, 67,675,890.12 and 29,198,543.28 is: 40,281,329.62
Step by Step Solution
- Step 1: Write the proportion equation
49,055,913.13 : 67,675,890.12 = 29,198,543.28 : x - Step 2: Convert to fraction form
49,055,913.13/67,675,890.12 = 29,198,543.28/x - Step 3: Cross multiply
49,055,913.13x = 67,675,890.12 × 29,198,543.28 - Step 4: Simplify right side
49,055,913.13x = 1,976,037,406,564,442.75 - Step 5: Solve for x
x = 1,976,037,406,564,442.75/49,055,913.13 - Step 6: Final answer
x = 40,281,329.62
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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.