Finding the Fourth Proportional to 157,677,901.84, 236,481,186.84 and 49,913,739.28
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Solution
The fourth proportional to 157,677,901.84, 236,481,186.84 and 49,913,739.28 is: 74,859,318.69
Step by Step Solution
- Step 1: Write the proportion equation
157,677,901.84 : 236,481,186.84 = 49,913,739.28 : x - Step 2: Convert to fraction form
157,677,901.84/236,481,186.84 = 49,913,739.28/x - Step 3: Cross multiply
157,677,901.84x = 236,481,186.84 × 49,913,739.28 - Step 4: Simplify right side
157,677,901.84x = 11,803,660,304,556,728 - Step 5: Solve for x
x = 11,803,660,304,556,728/157,677,901.84 - Step 6: Final answer
x = 74,859,318.69
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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.