Finding the Fourth Proportional to 174,553,931.09, 241,114,362.21 and 129,382,249.52
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Solution
The fourth proportional to 174,553,931.09, 241,114,362.21 and 129,382,249.52 is: 178,717,937.66
Step by Step Solution
- Step 1: Write the proportion equation
174,553,931.09 : 241,114,362.21 = 129,382,249.52 : x - Step 2: Convert to fraction form
174,553,931.09/241,114,362.21 = 129,382,249.52/x - Step 3: Cross multiply
174,553,931.09x = 241,114,362.21 × 129,382,249.52 - Step 4: Simplify right side
174,553,931.09x = 31,195,918,574,912,664 - Step 5: Solve for x
x = 31,195,918,574,912,664/174,553,931.09 - Step 6: Final answer
x = 178,717,937.66
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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.