Finding the Fourth Proportional to 84,499,857.64, 126,748,425.66 and 26,991,749.80
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Solution
The fourth proportional to 84,499,857.64, 126,748,425.66 and 26,991,749.80 is: 40,487,190.02
Step by Step Solution
- Step 1: Write the proportion equation
84,499,857.64 : 126,748,425.66 = 26,991,749.80 : x - Step 2: Convert to fraction form
84,499,857.64/126,748,425.66 = 26,991,749.80/x - Step 3: Cross multiply
84,499,857.64x = 126,748,425.66 × 26,991,749.80 - Step 4: Simplify right side
84,499,857.64x = 3,421,161,792,958,620 - Step 5: Solve for x
x = 3,421,161,792,958,620/84,499,857.64 - Step 6: Final answer
x = 40,487,190.02
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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.