Finding the Fourth Proportional to 156,990,319.68, 235,491,972.60 and 46,325,991
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Solution
The fourth proportional to 156,990,319.68, 235,491,972.60 and 46,325,991 is: 69,490,902.53
Step by Step Solution
- Step 1: Write the proportion equation
156,990,319.68 : 235,491,972.60 = 46,325,991 : x - Step 2: Convert to fraction form
156,990,319.68/235,491,972.60 = 46,325,991/x - Step 3: Cross multiply
156,990,319.68x = 235,491,972.60 × 46,325,991 - Step 4: Simplify right side
156,990,319.68x = 10,909,399,003,239,846 - Step 5: Solve for x
x = 10,909,399,003,239,846/156,990,319.68 - Step 6: Final answer
x = 69,490,902.53
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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.