Finding the Fourth Proportional to 69,062,045.36, 95,282,988.56 and 49,218,936.44
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Solution
The fourth proportional to 69,062,045.36, 95,282,988.56 and 49,218,936.44 is: 67,906,001.53
Step by Step Solution
- Step 1: Write the proportion equation
69,062,045.36 : 95,282,988.56 = 49,218,936.44 : x - Step 2: Convert to fraction form
69,062,045.36/95,282,988.56 = 49,218,936.44/x - Step 3: Cross multiply
69,062,045.36x = 95,282,988.56 × 49,218,936.44 - Step 4: Simplify right side
69,062,045.36x = 4,689,727,357,747,887 - Step 5: Solve for x
x = 4,689,727,357,747,887/69,062,045.36 - Step 6: Final answer
x = 67,906,001.53
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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.