Finding the Fourth Proportional to 93,186,326.18, 128,597,561.34 and 54,051,273.38
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Solution
The fourth proportional to 93,186,326.18, 128,597,561.34 and 54,051,273.38 is: 74,591,007.38
Step by Step Solution
- Step 1: Write the proportion equation
93,186,326.18 : 128,597,561.34 = 54,051,273.38 : x - Step 2: Convert to fraction form
93,186,326.18/128,597,561.34 = 54,051,273.38/x - Step 3: Cross multiply
93,186,326.18x = 128,597,561.34 × 54,051,273.38 - Step 4: Simplify right side
93,186,326.18x = 6,950,861,943,989,660 - Step 5: Solve for x
x = 6,950,861,943,989,660/93,186,326.18 - Step 6: Final answer
x = 74,591,007.38
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1.5x scale
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.