Finding the Fourth Proportional to 57,361,698.84, 79,158,118.14 and 31,256,442.84
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Solution
The fourth proportional to 57,361,698.84, 79,158,118.14 and 31,256,442.84 is: 43,133,331.91
Step by Step Solution
- Step 1: Write the proportion equation
57,361,698.84 : 79,158,118.14 = 31,256,442.84 : x - Step 2: Convert to fraction form
57,361,698.84/79,158,118.14 = 31,256,442.84/x - Step 3: Cross multiply
57,361,698.84x = 79,158,118.14 × 31,256,442.84 - Step 4: Simplify right side
57,361,698.84x = 2,474,201,194,964,877 - Step 5: Solve for x
x = 2,474,201,194,964,877/57,361,698.84 - Step 6: Final answer
x = 43,133,331.91
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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.