Finding the Fourth Proportional to 275,371,661.99, 413,087,753.77 and 91,072,005.59
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Solution
The fourth proportional to 275,371,661.99, 413,087,753.77 and 91,072,005.59 is: 136,618,016.35
Step by Step Solution
- Step 1: Write the proportion equation
275,371,661.99 : 413,087,753.77 = 91,072,005.59 : x - Step 2: Convert to fraction form
275,371,661.99/413,087,753.77 = 91,072,005.59/x - Step 3: Cross multiply
275,371,661.99x = 413,087,753.77 × 91,072,005.59 - Step 4: Simplify right side
275,371,661.99x = 37,620,730,218,208,864 - Step 5: Solve for x
x = 37,620,730,218,208,864/275,371,661.99 - Step 6: Final answer
x = 136,618,016.35
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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.