Finding the Fourth Proportional to 85,631,765.36, 118,171,836.09 and 46,473,542.10
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Solution
The fourth proportional to 85,631,765.36, 118,171,836.09 and 46,473,542.10 is: 64,133,488.04
Step by Step Solution
- Step 1: Write the proportion equation
85,631,765.36 : 118,171,836.09 = 46,473,542.10 : x - Step 2: Convert to fraction form
85,631,765.36/118,171,836.09 = 46,473,542.10/x - Step 3: Cross multiply
85,631,765.36x = 118,171,836.09 × 46,473,542.10 - Step 4: Simplify right side
85,631,765.36x = 5,491,863,799,562,915 - Step 5: Solve for x
x = 5,491,863,799,562,915/85,631,765.36 - Step 6: Final answer
x = 64,133,488.04
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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.