Finding the Fourth Proportional to 92,774,665.84, 128,051,336.71 and 53,105,192.44
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Solution
The fourth proportional to 92,774,665.84, 128,051,336.71 and 53,105,192.44 is: 73,297,929.09
Step by Step Solution
- Step 1: Write the proportion equation
92,774,665.84 : 128,051,336.71 = 53,105,192.44 : x - Step 2: Convert to fraction form
92,774,665.84/128,051,336.71 = 53,105,192.44/x - Step 3: Cross multiply
92,774,665.84x = 128,051,336.71 × 53,105,192.44 - Step 4: Simplify right side
92,774,665.84x = 6,800,190,878,183,786 - Step 5: Solve for x
x = 6,800,190,878,183,786/92,774,665.84 - Step 6: Final answer
x = 73,297,929.09
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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.