Finding the Fourth Proportional to 246,138,408.99, 339,775,592.00 and 153,364,753.62
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Solution
The fourth proportional to 246,138,408.99, 339,775,592.00 and 153,364,753.62 is: 211,708,526.78
Step by Step Solution
- Step 1: Write the proportion equation
246,138,408.99 : 339,775,592.00 = 153,364,753.62 : x - Step 2: Convert to fraction form
246,138,408.99/339,775,592.00 = 153,364,753.62/x - Step 3: Cross multiply
246,138,408.99x = 339,775,592.00 × 153,364,753.62 - Step 4: Simplify right side
246,138,408.99x = 52,109,599,952,402,824 - Step 5: Solve for x
x = 52,109,599,952,402,824/246,138,408.99 - Step 6: Final answer
x = 211,708,526.78
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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.