Finding the Fourth Proportional to 92,994,208.14, 128,349,774.81 and 61,576,843.44
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Solution
The fourth proportional to 92,994,208.14, 128,349,774.81 and 61,576,843.44 is: 84,987,808.89
Step by Step Solution
- Step 1: Write the proportion equation
92,994,208.14 : 128,349,774.81 = 61,576,843.44 : x - Step 2: Convert to fraction form
92,994,208.14/128,349,774.81 = 61,576,843.44/x - Step 3: Cross multiply
92,994,208.14x = 128,349,774.81 × 61,576,843.44 - Step 4: Simplify right side
92,994,208.14x = 7,903,373,989,034,626 - Step 5: Solve for x
x = 7,903,373,989,034,626/92,994,208.14 - Step 6: Final answer
x = 84,987,808.89
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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.