Finding the Fourth Proportional to 130,605,422.40, 195,928,869.60 and 44,351,956.80
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Solution
The fourth proportional to 130,605,422.40, 195,928,869.60 and 44,351,956.80 is: 66,534,976.88
Step by Step Solution
- Step 1: Write the proportion equation
130,605,422.40 : 195,928,869.60 = 44,351,956.80 : x - Step 2: Convert to fraction form
130,605,422.40/195,928,869.60 = 44,351,956.80/x - Step 3: Cross multiply
130,605,422.40x = 195,928,869.60 × 44,351,956.80 - Step 4: Simplify right side
130,605,422.40x = 8,689,828,760,372,032 - Step 5: Solve for x
x = 8,689,828,760,372,032/130,605,422.40 - Step 6: Final answer
x = 66,534,976.88
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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.