Finding the Fourth Proportional to 74,590,536.90, 102,921,276.38 and 41,549,963.79
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Solution
The fourth proportional to 74,590,536.90, 102,921,276.38 and 41,549,963.79 is: 57,331,338.32
Step by Step Solution
- Step 1: Write the proportion equation
74,590,536.90 : 102,921,276.38 = 41,549,963.79 : x - Step 2: Convert to fraction form
74,590,536.90/102,921,276.38 = 41,549,963.79/x - Step 3: Cross multiply
74,590,536.90x = 102,921,276.38 × 41,549,963.79 - Step 4: Simplify right side
74,590,536.90x = 4,276,375,306,601,832.50 - Step 5: Solve for x
x = 4,276,375,306,601,832.50/74,590,536.90 - Step 6: Final answer
x = 57,331,338.32
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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.