Finding the Fourth Proportional to 239,112,491.80, 358,668,737.70 and 196,597,211.80
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Solution
The fourth proportional to 239,112,491.80, 358,668,737.70 and 196,597,211.80 is: 294,895,817.70
Step by Step Solution
- Step 1: Write the proportion equation
239,112,491.80 : 358,668,737.70 = 196,597,211.80 : x - Step 2: Convert to fraction form
239,112,491.80/358,668,737.70 = 196,597,211.80/x - Step 3: Cross multiply
239,112,491.80x = 358,668,737.70 × 196,597,211.80 - Step 4: Simplify right side
239,112,491.80x = 70,513,273,791,645,544 - Step 5: Solve for x
x = 70,513,273,791,645,544/239,112,491.80 - Step 6: Final answer
x = 294,895,817.70
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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.