Finding the Fourth Proportional to 283,761,654.36, 391,593,899.76 and 158,312,791.98
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Solution
The fourth proportional to 283,761,654.36, 391,593,899.76 and 158,312,791.98 is: 218,473,224.41
Step by Step Solution
- Step 1: Write the proportion equation
283,761,654.36 : 391,593,899.76 = 158,312,791.98 : x - Step 2: Convert to fraction form
283,761,654.36/391,593,899.76 = 158,312,791.98/x - Step 3: Cross multiply
283,761,654.36x = 391,593,899.76 × 158,312,791.98 - Step 4: Simplify right side
283,761,654.36x = 61,994,323,593,341,848 - Step 5: Solve for x
x = 61,994,323,593,341,848/283,761,654.36 - Step 6: Final answer
x = 218,473,224.41
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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.