Finding the Fourth Proportional to 92,617,917.36, 138,946,938.12 and 27,916,309.68
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Solution
The fourth proportional to 92,617,917.36, 138,946,938.12 and 27,916,309.68 is: 41,880,511.51
Step by Step Solution
- Step 1: Write the proportion equation
92,617,917.36 : 138,946,938.12 = 27,916,309.68 : x - Step 2: Convert to fraction form
92,617,917.36/138,946,938.12 = 27,916,309.68/x - Step 3: Cross multiply
92,617,917.36x = 138,946,938.12 × 27,916,309.68 - Step 4: Simplify right side
92,617,917.36x = 3,878,885,753,645,717 - Step 5: Solve for x
x = 3,878,885,753,645,717/92,617,917.36 - Step 6: Final answer
x = 41,880,511.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.