Finding the Fourth Proportional to 115,894,825.44, 159,943,754.70 and 66,350,738.58
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Solution
The fourth proportional to 115,894,825.44, 159,943,754.70 and 66,350,738.58 is: 91,569,112.04
Step by Step Solution
- Step 1: Write the proportion equation
115,894,825.44 : 159,943,754.70 = 66,350,738.58 : x - Step 2: Convert to fraction form
115,894,825.44/159,943,754.70 = 66,350,738.58/x - Step 3: Cross multiply
115,894,825.44x = 159,943,754.70 × 66,350,738.58 - Step 4: Simplify right side
115,894,825.44x = 10,612,386,255,603,346 - Step 5: Solve for x
x = 10,612,386,255,603,346/115,894,825.44 - Step 6: Final answer
x = 91,569,112.04
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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.