Finding the Fourth Proportional to 237,327,340.42, 356,093,312.79 and 128,130,830.62
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Solution
The fourth proportional to 237,327,340.42, 356,093,312.79 and 128,130,830.62 is: 192,251,477.92
Step by Step Solution
- Step 1: Write the proportion equation
237,327,340.42 : 356,093,312.79 = 128,130,830.62 : x - Step 2: Convert to fraction form
237,327,340.42/356,093,312.79 = 128,130,830.62/x - Step 3: Cross multiply
237,327,340.42x = 356,093,312.79 × 128,130,830.62 - Step 4: Simplify right side
237,327,340.42x = 45,626,531,946,010,176 - Step 5: Solve for x
x = 45,626,531,946,010,176/237,327,340.42 - Step 6: Final answer
x = 192,251,477.92
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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.