Finding the Fourth Proportional to 102,617,427.47, 141,626,141.43 and 62,917,939.13
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Solution
The fourth proportional to 102,617,427.47, 141,626,141.43 and 62,917,939.13 is: 86,835,395.95
Step by Step Solution
- Step 1: Write the proportion equation
102,617,427.47 : 141,626,141.43 = 62,917,939.13 : x - Step 2: Convert to fraction form
102,617,427.47/141,626,141.43 = 62,917,939.13/x - Step 3: Cross multiply
102,617,427.47x = 141,626,141.43 × 62,917,939.13 - Step 4: Simplify right side
102,617,427.47x = 8,910,824,945,709,512 - Step 5: Solve for x
x = 8,910,824,945,709,512/102,617,427.47 - Step 6: Final answer
x = 86,835,395.95
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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.