Finding the Fourth Proportional to 159,435,193.83, 220,025,230.88 and 93,349,509.02
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Solution
The fourth proportional to 159,435,193.83, 220,025,230.88 and 93,349,509.02 is: 128,825,052.88
Step by Step Solution
- Step 1: Write the proportion equation
159,435,193.83 : 220,025,230.88 = 93,349,509.02 : x - Step 2: Convert to fraction form
159,435,193.83/220,025,230.88 = 93,349,509.02/x - Step 3: Cross multiply
159,435,193.83x = 220,025,230.88 × 93,349,509.02 - Step 4: Simplify right side
159,435,193.83x = 20,539,247,275,156,008 - Step 5: Solve for x
x = 20,539,247,275,156,008/159,435,193.83 - Step 6: Final answer
x = 128,825,052.88
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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.