Finding the Fourth Proportional to 102,563,414.40, 153,845,121.60 and 30,759,830.40
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Solution
The fourth proportional to 102,563,414.40, 153,845,121.60 and 30,759,830.40 is: 46,139,745.60
Step by Step Solution
- Step 1: Write the proportion equation
102,563,414.40 : 153,845,121.60 = 30,759,830.40 : x - Step 2: Convert to fraction form
102,563,414.40/153,845,121.60 = 30,759,830.40/x - Step 3: Cross multiply
102,563,414.40x = 153,845,121.60 × 30,759,830.40 - Step 4: Simplify right side
102,563,414.40x = 4,732,249,848,283,376 - Step 5: Solve for x
x = 4,732,249,848,283,376/102,563,414.40 - Step 6: Final answer
x = 46,139,745.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.