Finding the Fourth Proportional to 57,882,801.54, 79,879,202.01 and 31,779,725.70
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Solution
The fourth proportional to 57,882,801.54, 79,879,202.01 and 31,779,725.70 is: 43,856,535.30
Step by Step Solution
- Step 1: Write the proportion equation
57,882,801.54 : 79,879,202.01 = 31,779,725.70 : x - Step 2: Convert to fraction form
57,882,801.54/79,879,202.01 = 31,779,725.70/x - Step 3: Cross multiply
57,882,801.54x = 79,879,202.01 × 31,779,725.70 - Step 4: Simplify right side
57,882,801.54x = 2,538,539,129,012,689 - Step 5: Solve for x
x = 2,538,539,129,012,689/57,882,801.54 - Step 6: Final answer
x = 43,856,535.30
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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.