Finding the Fourth Proportional to 315,591,201.20, 473,050,878.60 and 121,427,591.60
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Solution
The fourth proportional to 315,591,201.20, 473,050,878.60 and 121,427,591.60 is: 182,012,136.82
Step by Step Solution
- Step 1: Write the proportion equation
315,591,201.20 : 473,050,878.60 = 121,427,591.60 : x - Step 2: Convert to fraction form
315,591,201.20/473,050,878.60 = 121,427,591.60/x - Step 3: Cross multiply
315,591,201.20x = 473,050,878.60 × 121,427,591.60 - Step 4: Simplify right side
315,591,201.20x = 57,441,428,892,661,976 - Step 5: Solve for x
x = 57,441,428,892,661,976/315,591,201.20 - Step 6: Final answer
x = 182,012,136.82
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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.