Finding the Fourth Proportional to 159,966,450.51, 220,691,202.53 and 92,974,277.31
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Solution
The fourth proportional to 159,966,450.51, 220,691,202.53 and 92,974,277.31 is: 128,268,177.47
Step by Step Solution
- Step 1: Write the proportion equation
159,966,450.51 : 220,691,202.53 = 92,974,277.31 : x - Step 2: Convert to fraction form
159,966,450.51/220,691,202.53 = 92,974,277.31/x - Step 3: Cross multiply
159,966,450.51x = 220,691,202.53 × 92,974,277.31 - Step 4: Simplify right side
159,966,450.51x = 20,518,605,063,436,724 - Step 5: Solve for x
x = 20,518,605,063,436,724/159,966,450.51 - Step 6: Final answer
x = 128,268,177.47
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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.