Finding the Fourth Proportional to 146,234,174.08, 218,043,888.95 and 142,216,480.12
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Solution
The fourth proportional to 146,234,174.08, 218,043,888.95 and 142,216,480.12 is: 212,053,267.26
Step by Step Solution
- Step 1: Write the proportion equation
146,234,174.08 : 218,043,888.95 = 142,216,480.12 : x - Step 2: Convert to fraction form
146,234,174.08/218,043,888.95 = 142,216,480.12/x - Step 3: Cross multiply
146,234,174.08x = 218,043,888.95 × 142,216,480.12 - Step 4: Simplify right side
146,234,174.08x = 31,009,434,398,145,164 - Step 5: Solve for x
x = 31,009,434,398,145,164/146,234,174.08 - Step 6: Final answer
x = 212,053,267.26
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.