Finding the Fourth Proportional to 130,318,340.50, 195,382,734.02 and 61,195,525.75
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Solution
The fourth proportional to 130,318,340.50, 195,382,734.02 and 61,195,525.75 is: 91,748,782.90
Step by Step Solution
- Step 1: Write the proportion equation
130,318,340.50 : 195,382,734.02 = 61,195,525.75 : x - Step 2: Convert to fraction form
130,318,340.50/195,382,734.02 = 61,195,525.75/x - Step 3: Cross multiply
130,318,340.50x = 195,382,734.02 × 61,195,525.75 - Step 4: Simplify right side
130,318,340.50x = 11,956,549,129,849,398 - Step 5: Solve for x
x = 11,956,549,129,849,398/130,318,340.50 - Step 6: Final answer
x = 91,748,782.90
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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.