Finding the Fourth Proportional to 239,681,706.95, 330,989,191.58 and 226,624,013.98
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Solution
The fourth proportional to 239,681,706.95, 330,989,191.58 and 226,624,013.98 is: 312,957,130.25
Step by Step Solution
- Step 1: Write the proportion equation
239,681,706.95 : 330,989,191.58 = 226,624,013.98 : x - Step 2: Convert to fraction form
239,681,706.95/330,989,191.58 = 226,624,013.98/x - Step 3: Cross multiply
239,681,706.95x = 330,989,191.58 × 226,624,013.98 - Step 4: Simplify right side
239,681,706.95x = 75,010,099,179,854,816 - Step 5: Solve for x
x = 75,010,099,179,854,816/239,681,706.95 - Step 6: Final answer
x = 312,957,130.25
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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.