Finding the Fourth Proportional to 130,375,269.40, 195,264,305.70 and 66,475,211.80
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Solution
The fourth proportional to 130,375,269.40, 195,264,305.70 and 66,475,211.80 is: 99,560,569.56
Step by Step Solution
- Step 1: Write the proportion equation
130,375,269.40 : 195,264,305.70 = 66,475,211.80 : x - Step 2: Convert to fraction form
130,375,269.40/195,264,305.70 = 66,475,211.80/x - Step 3: Cross multiply
130,375,269.40x = 195,264,305.70 × 66,475,211.80 - Step 4: Simplify right side
130,375,269.40x = 12,980,236,078,387,446 - Step 5: Solve for x
x = 12,980,236,078,387,446/130,375,269.40 - Step 6: Final answer
x = 99,560,569.56
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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.