Finding the Fourth Proportional to 220,192,682.86, 330,281,543.84 and 56,432,047.42
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Solution
The fourth proportional to 220,192,682.86, 330,281,543.84 and 56,432,047.42 is: 84,646,154.00
Step by Step Solution
- Step 1: Write the proportion equation
220,192,682.86 : 330,281,543.84 = 56,432,047.42 : x - Step 2: Convert to fraction form
220,192,682.86/330,281,543.84 = 56,432,047.42/x - Step 3: Cross multiply
220,192,682.86x = 330,281,543.84 × 56,432,047.42 - Step 4: Simplify right side
220,192,682.86x = 18,638,463,743,929,688 - Step 5: Solve for x
x = 18,638,463,743,929,688/220,192,682.86 - Step 6: Final answer
x = 84,646,154.00
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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.