Finding the Fourth Proportional to 56,408,988.63, 77,815,755.21 and 36,841,331.01
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Solution
The fourth proportional to 56,408,988.63, 77,815,755.21 and 36,841,331.01 is: 50,822,325.75
Step by Step Solution
- Step 1: Write the proportion equation
56,408,988.63 : 77,815,755.21 = 36,841,331.01 : x - Step 2: Convert to fraction form
56,408,988.63/77,815,755.21 = 36,841,331.01/x - Step 3: Cross multiply
56,408,988.63x = 77,815,755.21 × 36,841,331.01 - Step 4: Simplify right side
56,408,988.63x = 2,866,835,995,484,741.50 - Step 5: Solve for x
x = 2,866,835,995,484,741.50/56,408,988.63 - Step 6: Final answer
x = 50,822,325.75
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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.