Finding the Fourth Proportional to 88,619,973.77, 132,940,575.61 and 27,201,088.53
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Solution
The fourth proportional to 88,619,973.77, 132,940,575.61 and 27,201,088.53 is: 40,804,890.96
Step by Step Solution
- Step 1: Write the proportion equation
88,619,973.77 : 132,940,575.61 = 27,201,088.53 : x - Step 2: Convert to fraction form
88,619,973.77/132,940,575.61 = 27,201,088.53/x - Step 3: Cross multiply
88,619,973.77x = 132,940,575.61 × 27,201,088.53 - Step 4: Simplify right side
88,619,973.77x = 3,616,128,366,328,766 - Step 5: Solve for x
x = 3,616,128,366,328,766/88,619,973.77 - Step 6: Final answer
x = 40,804,890.96
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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.