Finding the Fourth Proportional to 81,488,695.37, 122,245,195.62 and 26,907,046.25
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Solution
The fourth proportional to 81,488,695.37, 122,245,195.62 and 26,907,046.25 is: 40,364,582.07
Step by Step Solution
- Step 1: Write the proportion equation
81,488,695.37 : 122,245,195.62 = 26,907,046.25 : x - Step 2: Convert to fraction form
81,488,695.37/122,245,195.62 = 26,907,046.25/x - Step 3: Cross multiply
81,488,695.37x = 122,245,195.62 × 26,907,046.25 - Step 4: Simplify right side
81,488,695.37x = 3,289,257,132,387,637.50 - Step 5: Solve for x
x = 3,289,257,132,387,637.50/81,488,695.37 - Step 6: Final answer
x = 40,364,582.07
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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.