Finding the Fourth Proportional to 239,681,704.95, 330,989,188.82 and 226,624,011.98
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Solution
The fourth proportional to 239,681,704.95, 330,989,188.82 and 226,624,011.98 is: 312,957,127.48
Step by Step Solution
- Step 1: Write the proportion equation
239,681,704.95 : 330,989,188.82 = 226,624,011.98 : x - Step 2: Convert to fraction form
239,681,704.95/330,989,188.82 = 226,624,011.98/x - Step 3: Cross multiply
239,681,704.95x = 330,989,188.82 × 226,624,011.98 - Step 4: Simplify right side
239,681,704.95x = 75,010,097,889,606,096 - Step 5: Solve for x
x = 75,010,097,889,606,096/239,681,704.95 - Step 6: Final answer
x = 312,957,127.48
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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.