Finding the Fourth Proportional to 54,180,484.39, 74,768,688.66 and 29,400,040.99
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Solution
The fourth proportional to 54,180,484.39, 74,768,688.66 and 29,400,040.99 is: 40,571,850.48
Step by Step Solution
- Step 1: Write the proportion equation
54,180,484.39 : 74,768,688.66 = 29,400,040.99 : x - Step 2: Convert to fraction form
54,180,484.39/74,768,688.66 = 29,400,040.99/x - Step 3: Cross multiply
54,180,484.39x = 74,768,688.66 × 29,400,040.99 - Step 4: Simplify right side
54,180,484.39x = 2,198,202,511,372,548 - Step 5: Solve for x
x = 2,198,202,511,372,548/54,180,484.39 - Step 6: Final answer
x = 40,571,850.48
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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.