Finding the Fourth Proportional to 130,318,338.12, 195,382,730.46 and 61,195,523.36
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Solution
The fourth proportional to 130,318,338.12, 195,382,730.46 and 61,195,523.36 is: 91,748,779.33
Step by Step Solution
- Step 1: Write the proportion equation
130,318,338.12 : 195,382,730.46 = 61,195,523.36 : x - Step 2: Convert to fraction form
130,318,338.12/195,382,730.46 = 61,195,523.36/x - Step 3: Cross multiply
130,318,338.12x = 195,382,730.46 × 61,195,523.36 - Step 4: Simplify right side
130,318,338.12x = 11,956,548,446,820,828 - Step 5: Solve for x
x = 11,956,548,446,820,828/130,318,338.12 - Step 6: Final answer
x = 91,748,779.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.