Finding the Fourth Proportional to 209,012,527.98, 313,343,416.44 and 92,409,058.17
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Solution
The fourth proportional to 209,012,527.98, 313,343,416.44 and 92,409,058.17 is: 138,536,049.86
Step by Step Solution
- Step 1: Write the proportion equation
209,012,527.98 : 313,343,416.44 = 92,409,058.17 : x - Step 2: Convert to fraction form
209,012,527.98/313,343,416.44 = 92,409,058.17/x - Step 3: Cross multiply
209,012,527.98x = 313,343,416.44 × 92,409,058.17 - Step 4: Simplify right side
209,012,527.98x = 28,955,769,996,990,496 - Step 5: Solve for x
x = 28,955,769,996,990,496/209,012,527.98 - Step 6: Final answer
x = 138,536,049.86
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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.