Finding the Fourth Proportional to 75,696,955.94, 113,545,434.05 and 18,189,227.18
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Solution
The fourth proportional to 75,696,955.94, 113,545,434.05 and 18,189,227.18 is: 27,283,840.80
Step by Step Solution
- Step 1: Write the proportion equation
75,696,955.94 : 113,545,434.05 = 18,189,227.18 : x - Step 2: Convert to fraction form
75,696,955.94/113,545,434.05 = 18,189,227.18/x - Step 3: Cross multiply
75,696,955.94x = 113,545,434.05 × 18,189,227.18 - Step 4: Simplify right side
75,696,955.94x = 2,065,303,694,528,484.25 - Step 5: Solve for x
x = 2,065,303,694,528,484.25/75,696,955.94 - Step 6: Final answer
x = 27,283,840.80
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1.5x scale
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.