Finding the Fourth Proportional to 141,235,804.27, 194,907,730.80 and 77,658,811.12
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Solution
The fourth proportional to 141,235,804.27, 194,907,730.80 and 77,658,811.12 is: 107,170,435.50
Step by Step Solution
- Step 1: Write the proportion equation
141,235,804.27 : 194,907,730.80 = 77,658,811.12 : x - Step 2: Convert to fraction form
141,235,804.27/194,907,730.80 = 77,658,811.12/x - Step 3: Cross multiply
141,235,804.27x = 194,907,730.80 × 77,658,811.12 - Step 4: Simplify right side
141,235,804.27x = 15,136,302,652,025,008 - Step 5: Solve for x
x = 15,136,302,652,025,008/141,235,804.27 - Step 6: Final answer
x = 107,170,435.50
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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.