Finding the Fourth Proportional to 130,318,343.18, 195,382,738.04 and 61,195,528.43
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Solution
The fourth proportional to 130,318,343.18, 195,382,738.04 and 61,195,528.43 is: 91,748,786.91
Step by Step Solution
- Step 1: Write the proportion equation
130,318,343.18 : 195,382,738.04 = 61,195,528.43 : x - Step 2: Convert to fraction form
130,318,343.18/195,382,738.04 = 61,195,528.43/x - Step 3: Cross multiply
130,318,343.18x = 195,382,738.04 × 61,195,528.43 - Step 4: Simplify right side
130,318,343.18x = 11,956,549,899,874,932 - Step 5: Solve for x
x = 11,956,549,899,874,932/130,318,343.18 - Step 6: Final answer
x = 91,748,786.91
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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.