Finding the Fourth Proportional to 146,789,657.20, 220,184,485.80 and 98,416,716.40
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Solution
The fourth proportional to 146,789,657.20, 220,184,485.80 and 98,416,716.40 is: 147,625,074.60
Step by Step Solution
- Step 1: Write the proportion equation
146,789,657.20 : 220,184,485.80 = 98,416,716.40 : x - Step 2: Convert to fraction form
146,789,657.20/220,184,485.80 = 98,416,716.40/x - Step 3: Cross multiply
146,789,657.20x = 220,184,485.80 × 98,416,716.40 - Step 4: Simplify right side
146,789,657.20x = 21,669,834,094,658,428 - Step 5: Solve for x
x = 21,669,834,094,658,428/146,789,657.20 - Step 6: Final answer
x = 147,625,074.60
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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.