Finding the Fourth Proportional to 55,552,397.61, 76,688,892.14 and 36,998,414.49
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Solution
The fourth proportional to 55,552,397.61, 76,688,892.14 and 36,998,414.49 is: 51,075,516.81
Step by Step Solution
- Step 1: Write the proportion equation
55,552,397.61 : 76,688,892.14 = 36,998,414.49 : x - Step 2: Convert to fraction form
55,552,397.61/76,688,892.14 = 36,998,414.49/x - Step 3: Cross multiply
55,552,397.61x = 76,688,892.14 × 36,998,414.49 - Step 4: Simplify right side
55,552,397.61x = 2,837,367,418,277,214.50 - Step 5: Solve for x
x = 2,837,367,418,277,214.50/55,552,397.61 - Step 6: Final answer
x = 51,075,516.81
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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.