Finding the Fourth Proportional to 237,997,656.51, 355,393,804.84 and 194,364,972.21
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Solution
The fourth proportional to 237,997,656.51, 355,393,804.84 and 194,364,972.21 is: 290,238,601.56
Step by Step Solution
- Step 1: Write the proportion equation
237,997,656.51 : 355,393,804.84 = 194,364,972.21 : x - Step 2: Convert to fraction form
237,997,656.51/355,393,804.84 = 194,364,972.21/x - Step 3: Cross multiply
237,997,656.51x = 355,393,804.84 × 194,364,972.21 - Step 4: Simplify right side
237,997,656.51x = 69,076,107,000,846,848 - Step 5: Solve for x
x = 69,076,107,000,846,848/237,997,656.51 - Step 6: Final answer
x = 290,238,601.56
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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.