Finding the Fourth Proportional to 54,198,041.96, 74,791,362.66 and 30,676,074.08
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Solution
The fourth proportional to 54,198,041.96, 74,791,362.66 and 30,676,074.08 is: 42,331,886.88
Step by Step Solution
- Step 1: Write the proportion equation
54,198,041.96 : 74,791,362.66 = 30,676,074.08 : x - Step 2: Convert to fraction form
54,198,041.96/74,791,362.66 = 30,676,074.08/x - Step 3: Cross multiply
54,198,041.96x = 74,791,362.66 × 30,676,074.08 - Step 4: Simplify right side
54,198,041.96x = 2,294,305,381,502,305.50 - Step 5: Solve for x
x = 2,294,305,381,502,305.50/54,198,041.96 - Step 6: Final answer
x = 42,331,886.88
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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.