Finding the Fourth Proportional to 88,651,091.74, 122,349,791.92 and 51,473,970.94
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Solution
The fourth proportional to 88,651,091.74, 122,349,791.92 and 51,473,970.94 is: 71,040,632.55
Step by Step Solution
- Step 1: Write the proportion equation
88,651,091.74 : 122,349,791.92 = 51,473,970.94 : x - Step 2: Convert to fraction form
88,651,091.74/122,349,791.92 = 51,473,970.94/x - Step 3: Cross multiply
88,651,091.74x = 122,349,791.92 × 51,473,970.94 - Step 4: Simplify right side
88,651,091.74x = 6,297,829,633,805,127 - Step 5: Solve for x
x = 6,297,829,633,805,127/88,651,091.74 - Step 6: Final answer
x = 71,040,632.55
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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.