Finding the Fourth Proportional to 106,102,124.58, 146,420,909.37 and 59,058,183.60
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Solution
The fourth proportional to 106,102,124.58, 146,420,909.37 and 59,058,183.60 is: 81,500,280.82
Step by Step Solution
- Step 1: Write the proportion equation
106,102,124.58 : 146,420,909.37 = 59,058,183.60 : x - Step 2: Convert to fraction form
106,102,124.58/146,420,909.37 = 59,058,183.60/x - Step 3: Cross multiply
106,102,124.58x = 146,420,909.37 × 59,058,183.60 - Step 4: Simplify right side
106,102,124.58x = 8,647,352,948,452,421 - Step 5: Solve for x
x = 8,647,352,948,452,421/106,102,124.58 - Step 6: Final answer
x = 81,500,280.82
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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.