Finding the Fourth Proportional to 164,437,908.17, 246,576,149.55 and 81,343,653.98
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Solution
The fourth proportional to 164,437,908.17, 246,576,149.55 and 81,343,653.98 is: 121,975,554.25
Step by Step Solution
- Step 1: Write the proportion equation
164,437,908.17 : 246,576,149.55 = 81,343,653.98 : x - Step 2: Convert to fraction form
164,437,908.17/246,576,149.55 = 81,343,653.98/x - Step 3: Cross multiply
164,437,908.17x = 246,576,149.55 × 81,343,653.98 - Step 4: Simplify right side
164,437,908.17x = 20,057,404,988,309,216 - Step 5: Solve for x
x = 20,057,404,988,309,216/164,437,908.17 - Step 6: Final answer
x = 121,975,554.25
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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.