Finding the Fourth Proportional to 84,734,167.40, 127,101,251.10 and 65,578,671.80
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Solution
The fourth proportional to 84,734,167.40, 127,101,251.10 and 65,578,671.80 is: 98,368,007.70
Step by Step Solution
- Step 1: Write the proportion equation
84,734,167.40 : 127,101,251.10 = 65,578,671.80 : x - Step 2: Convert to fraction form
84,734,167.40/127,101,251.10 = 65,578,671.80/x - Step 3: Cross multiply
84,734,167.40x = 127,101,251.10 × 65,578,671.80 - Step 4: Simplify right side
84,734,167.40x = 8,335,131,231,256,288 - Step 5: Solve for x
x = 8,335,131,231,256,288/84,734,167.40 - Step 6: Final answer
x = 98,368,007.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.