Finding the Fourth Proportional to 98,085,460.48, 135,362,134.40 and 54,625,396.48
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Solution
The fourth proportional to 98,085,460.48, 135,362,134.40 and 54,625,396.48 is: 75,385,385.60
Step by Step Solution
- Step 1: Write the proportion equation
98,085,460.48 : 135,362,134.40 = 54,625,396.48 : x - Step 2: Convert to fraction form
98,085,460.48/135,362,134.40 = 54,625,396.48/x - Step 3: Cross multiply
98,085,460.48x = 135,362,134.40 × 54,625,396.48 - Step 4: Simplify right side
98,085,460.48x = 7,394,210,259,979,047 - Step 5: Solve for x
x = 7,394,210,259,979,047/98,085,460.48 - Step 6: Final answer
x = 75,385,385.60
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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.