Finding the Fourth Proportional to 120,665,273.08, 166,521,840.24 and 68,456,509.24
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Solution
The fourth proportional to 120,665,273.08, 166,521,840.24 and 68,456,509.24 is: 94,472,117.82
Step by Step Solution
- Step 1: Write the proportion equation
120,665,273.08 : 166,521,840.24 = 68,456,509.24 : x - Step 2: Convert to fraction form
120,665,273.08/166,521,840.24 = 68,456,509.24/x - Step 3: Cross multiply
120,665,273.08x = 166,521,840.24 × 68,456,509.24 - Step 4: Simplify right side
120,665,273.08x = 11,399,503,895,051,364 - Step 5: Solve for x
x = 11,399,503,895,051,364/120,665,273.08 - Step 6: Final answer
x = 94,472,117.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.