Finding the Fourth Proportional to 91,641,562.20, 137,621,775.60 and 48,594,841.20
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Solution
The fourth proportional to 91,641,562.20, 137,621,775.60 and 48,594,841.20 is: 72,976,804.09
Step by Step Solution
- Step 1: Write the proportion equation
91,641,562.20 : 137,621,775.60 = 48,594,841.20 : x - Step 2: Convert to fraction form
91,641,562.20/137,621,775.60 = 48,594,841.20/x - Step 3: Cross multiply
91,641,562.20x = 137,621,775.60 × 48,594,841.20 - Step 4: Simplify right side
91,641,562.20x = 6,687,708,330,944,035 - Step 5: Solve for x
x = 6,687,708,330,944,035/91,641,562.20 - Step 6: Final answer
x = 72,976,804.09
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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.