Finding the Fourth Proportional to 215,005,748.99, 320,939,000.25 and 184,496,385.48
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Solution
The fourth proportional to 215,005,748.99, 320,939,000.25 and 184,496,385.48 is: 275,397,684.88
Step by Step Solution
- Step 1: Write the proportion equation
215,005,748.99 : 320,939,000.25 = 184,496,385.48 : x - Step 2: Convert to fraction form
215,005,748.99/320,939,000.25 = 184,496,385.48/x - Step 3: Cross multiply
215,005,748.99x = 320,939,000.25 × 184,496,385.48 - Step 4: Simplify right side
215,005,748.99x = 59,212,085,506,254,784 - Step 5: Solve for x
x = 59,212,085,506,254,784/215,005,748.99 - Step 6: Final answer
x = 275,397,684.88
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.