Finding the Fourth Proportional to 231,661,344.97, 319,712,372.33 and 131,207,652.08
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Solution
The fourth proportional to 231,661,344.97, 319,712,372.33 and 131,207,652.08 is: 181,077,726.72
Step by Step Solution
- Step 1: Write the proportion equation
231,661,344.97 : 319,712,372.33 = 131,207,652.08 : x - Step 2: Convert to fraction form
231,661,344.97/319,712,372.33 = 131,207,652.08/x - Step 3: Cross multiply
231,661,344.97x = 319,712,372.33 × 131,207,652.08 - Step 4: Simplify right side
231,661,344.97x = 41,948,709,714,657,976 - Step 5: Solve for x
x = 41,948,709,714,657,976/231,661,344.97 - Step 6: Final answer
x = 181,077,726.72
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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.