Finding the Fourth Proportional to 98,277,021.36, 135,626,391.36 and 54,226,877.76
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Solution
The fourth proportional to 98,277,021.36, 135,626,391.36 and 54,226,877.76 is: 74,835,354.63
Step by Step Solution
- Step 1: Write the proportion equation
98,277,021.36 : 135,626,391.36 = 54,226,877.76 : x - Step 2: Convert to fraction form
98,277,021.36/135,626,391.36 = 54,226,877.76/x - Step 3: Cross multiply
98,277,021.36x = 135,626,391.36 × 54,226,877.76 - Step 4: Simplify right side
98,277,021.36x = 7,354,595,745,308,641 - Step 5: Solve for x
x = 7,354,595,745,308,641/98,277,021.36 - Step 6: Final answer
x = 74,835,354.63
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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.