Finding the Fourth Proportional to 163,328,909.20, 244,993,363.80 and 61,079,660.80
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Solution
The fourth proportional to 163,328,909.20, 244,993,363.80 and 61,079,660.80 is: 91,619,491.20
Step by Step Solution
- Step 1: Write the proportion equation
163,328,909.20 : 244,993,363.80 = 61,079,660.80 : x - Step 2: Convert to fraction form
163,328,909.20/244,993,363.80 = 61,079,660.80/x - Step 3: Cross multiply
163,328,909.20x = 244,993,363.80 × 61,079,660.80 - Step 4: Simplify right side
163,328,909.20x = 14,964,111,559,155,000 - Step 5: Solve for x
x = 14,964,111,559,155,000/163,328,909.20 - Step 6: Final answer
x = 91,619,491.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.