Finding the Fourth Proportional to 415,552,234.20, 623,328,351.30 and 108,875,347.80
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Solution
The fourth proportional to 415,552,234.20, 623,328,351.30 and 108,875,347.80 is: 163,313,021.70
Step by Step Solution
- Step 1: Write the proportion equation
415,552,234.20 : 623,328,351.30 = 108,875,347.80 : x - Step 2: Convert to fraction form
415,552,234.20/623,328,351.30 = 108,875,347.80/x - Step 3: Cross multiply
415,552,234.20x = 623,328,351.30 × 108,875,347.80 - Step 4: Simplify right side
415,552,234.20x = 67,865,091,041,388,072 - Step 5: Solve for x
x = 67,865,091,041,388,072/415,552,234.20 - Step 6: Final answer
x = 163,313,021.70
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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.