Finding the Fourth Proportional to 220,184,234.80, 330,276,352.20 and 147,624,823.60
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Solution
The fourth proportional to 220,184,234.80, 330,276,352.20 and 147,624,823.60 is: 221,437,235.40
Step by Step Solution
- Step 1: Write the proportion equation
220,184,234.80 : 330,276,352.20 = 147,624,823.60 : x - Step 2: Convert to fraction form
220,184,234.80/330,276,352.20 = 147,624,823.60/x - Step 3: Cross multiply
220,184,234.80x = 330,276,352.20 × 147,624,823.60 - Step 4: Simplify right side
220,184,234.80x = 48,756,988,232,776,472 - Step 5: Solve for x
x = 48,756,988,232,776,472/220,184,234.80 - Step 6: Final answer
x = 221,437,235.40
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1.5x scale
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.