Finding the Fourth Proportional to 98,283,554.77, 135,631,202.61 and 54,230,551
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Solution
The fourth proportional to 98,283,554.77, 135,631,202.61 and 54,230,551 is: 74,838,103.56
Step by Step Solution
- Step 1: Write the proportion equation
98,283,554.77 : 135,631,202.61 = 54,230,551 : x - Step 2: Convert to fraction form
98,283,554.77/135,631,202.61 = 54,230,551/x - Step 3: Cross multiply
98,283,554.77x = 135,631,202.61 × 54,230,551 - Step 4: Simplify right side
98,283,554.77x = 7,355,354,850,332,939 - Step 5: Solve for x
x = 7,355,354,850,332,939/98,283,554.77 - Step 6: Final answer
x = 74,838,103.56
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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.