Finding the Fourth Proportional to 198,246,209.65, 273,563,730.04 and 114,619,705.70
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Solution
The fourth proportional to 198,246,209.65, 273,563,730.04 and 114,619,705.70 is: 158,165,920.46
Step by Step Solution
- Step 1: Write the proportion equation
198,246,209.65 : 273,563,730.04 = 114,619,705.70 : x - Step 2: Convert to fraction form
198,246,209.65/273,563,730.04 = 114,619,705.70/x - Step 3: Cross multiply
198,246,209.65x = 273,563,730.04 × 114,619,705.70 - Step 4: Simplify right side
198,246,209.65x = 31,355,794,226,695,144 - Step 5: Solve for x
x = 31,355,794,226,695,144/198,246,209.65 - Step 6: Final answer
x = 158,165,920.46
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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.