Finding the Fourth Proportional to 98,548,159.31, 135,997,341.02 and 54,498,121.99
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Solution
The fourth proportional to 98,548,159.31, 135,997,341.02 and 54,498,121.99 is: 75,207,895.64
Step by Step Solution
- Step 1: Write the proportion equation
98,548,159.31 : 135,997,341.02 = 54,498,121.99 : x - Step 2: Convert to fraction form
98,548,159.31/135,997,341.02 = 54,498,121.99/x - Step 3: Cross multiply
98,548,159.31x = 135,997,341.02 × 54,498,121.99 - Step 4: Simplify right side
98,548,159.31x = 7,411,599,680,815,475 - Step 5: Solve for x
x = 7,411,599,680,815,475/98,548,159.31 - Step 6: Final answer
x = 75,207,895.64
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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.