Finding the Fourth Proportional to 87,119,576.53, 120,232,043.01 and 49,953,314.59
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Solution
The fourth proportional to 87,119,576.53, 120,232,043.01 and 49,953,314.59 is: 68,939,603.56
Step by Step Solution
- Step 1: Write the proportion equation
87,119,576.53 : 120,232,043.01 = 49,953,314.59 : x - Step 2: Convert to fraction form
87,119,576.53/120,232,043.01 = 49,953,314.59/x - Step 3: Cross multiply
87,119,576.53x = 120,232,043.01 × 49,953,314.59 - Step 4: Simplify right side
87,119,576.53x = 6,005,989,067,976,360 - Step 5: Solve for x
x = 6,005,989,067,976,360/87,119,576.53 - Step 6: Final answer
x = 68,939,603.56
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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.