Finding the Fourth Proportional to 98,548,314.56, 135,997,554.66 and 54,498,276.80
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Solution
The fourth proportional to 98,548,314.56, 135,997,554.66 and 54,498,276.80 is: 75,208,108.95
Step by Step Solution
- Step 1: Write the proportion equation
98,548,314.56 : 135,997,554.66 = 54,498,276.80 : x - Step 2: Convert to fraction form
98,548,314.56/135,997,554.66 = 54,498,276.80/x - Step 3: Cross multiply
98,548,314.56x = 135,997,554.66 × 54,498,276.80 - Step 4: Simplify right side
98,548,314.56x = 7,411,632,377,983,809 - Step 5: Solve for x
x = 7,411,632,377,983,809/98,548,314.56 - Step 6: Final answer
x = 75,208,108.95
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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.