Finding the Fourth Proportional to 273,621,989.61, 377,598,709.80 and 148,174,402.05
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Solution
The fourth proportional to 273,621,989.61, 377,598,709.80 and 148,174,402.05 is: 204,480,872.02
Step by Step Solution
- Step 1: Write the proportion equation
273,621,989.61 : 377,598,709.80 = 148,174,402.05 : x - Step 2: Convert to fraction form
273,621,989.61/377,598,709.80 = 148,174,402.05/x - Step 3: Cross multiply
273,621,989.61x = 377,598,709.80 × 148,174,402.05 - Step 4: Simplify right side
273,621,989.61x = 55,950,463,039,466,480 - Step 5: Solve for x
x = 55,950,463,039,466,480/273,621,989.61 - Step 6: Final answer
x = 204,480,872.02
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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.