Finding the Fourth Proportional to 69,127,223.71, 95,398,466.84 and 39,758,564.47
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Solution
The fourth proportional to 69,127,223.71, 95,398,466.84 and 39,758,564.47 is: 54,868,485.82
Step by Step Solution
- Step 1: Write the proportion equation
69,127,223.71 : 95,398,466.84 = 39,758,564.47 : x - Step 2: Convert to fraction form
69,127,223.71/95,398,466.84 = 39,758,564.47/x - Step 3: Cross multiply
69,127,223.71x = 95,398,466.84 × 39,758,564.47 - Step 4: Simplify right side
69,127,223.71x = 3,792,906,093,998,504 - Step 5: Solve for x
x = 3,792,906,093,998,504/69,127,223.71 - Step 6: Final answer
x = 54,868,485.82
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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.