Finding the Fourth Proportional to 129,535,163.60, 194,178,329.40 and 74,891,656.40
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Solution
The fourth proportional to 129,535,163.60, 194,178,329.40 and 74,891,656.40 is: 112,265,552.62
Step by Step Solution
- Step 1: Write the proportion equation
129,535,163.60 : 194,178,329.40 = 74,891,656.40 : x - Step 2: Convert to fraction form
129,535,163.60/194,178,329.40 = 74,891,656.40/x - Step 3: Cross multiply
129,535,163.60x = 194,178,329.40 × 74,891,656.40 - Step 4: Simplify right side
129,535,163.60x = 14,542,336,725,750,820 - Step 5: Solve for x
x = 14,542,336,725,750,820/129,535,163.60 - Step 6: Final answer
x = 112,265,552.62
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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.