Finding the Fourth Proportional to 228,683,840.38, 315,585,591.36 and 124,261,911.70
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Solution
The fourth proportional to 228,683,840.38, 315,585,591.36 and 124,261,911.70 is: 171,482,466.02
Step by Step Solution
- Step 1: Write the proportion equation
228,683,840.38 : 315,585,591.36 = 124,261,911.70 : x - Step 2: Convert to fraction form
228,683,840.38/315,585,591.36 = 124,261,911.70/x - Step 3: Cross multiply
228,683,840.38x = 315,585,591.36 × 124,261,911.70 - Step 4: Simplify right side
228,683,840.38x = 39,215,268,887,368,608 - Step 5: Solve for x
x = 39,215,268,887,368,608/228,683,840.38 - Step 6: Final answer
x = 171,482,466.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.