Finding the Fourth Proportional to 141,235,803.27, 194,907,729.42 and 77,658,810.12
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Solution
The fourth proportional to 141,235,803.27, 194,907,729.42 and 77,658,810.12 is: 107,170,434.12
Step by Step Solution
- Step 1: Write the proportion equation
141,235,803.27 : 194,907,729.42 = 77,658,810.12 : x - Step 2: Convert to fraction form
141,235,803.27/194,907,729.42 = 77,658,810.12/x - Step 3: Cross multiply
141,235,803.27x = 194,907,729.42 × 77,658,810.12 - Step 4: Simplify right side
141,235,803.27x = 15,136,302,349,948,118 - Step 5: Solve for x
x = 15,136,302,349,948,118/141,235,803.27 - Step 6: Final answer
x = 107,170,434.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.