Finding the Fourth Proportional to 207,117,364.24, 285,929,425.44 and 151,300,115.92
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Solution
The fourth proportional to 207,117,364.24, 285,929,425.44 and 151,300,115.92 is: 208,872,661.99
Step by Step Solution
- Step 1: Write the proportion equation
207,117,364.24 : 285,929,425.44 = 151,300,115.92 : x - Step 2: Convert to fraction form
207,117,364.24/285,929,425.44 = 151,300,115.92/x - Step 3: Cross multiply
207,117,364.24x = 285,929,425.44 × 151,300,115.92 - Step 4: Simplify right side
207,117,364.24x = 43,261,155,214,010,992 - Step 5: Solve for x
x = 43,261,155,214,010,992/207,117,364.24 - Step 6: Final answer
x = 208,872,661.99
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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.