Finding the Fourth Proportional to 121,694,412.48, 167,939,611.20 and 66,689,088
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Solution
The fourth proportional to 121,694,412.48, 167,939,611.20 and 66,689,088 is: 92,031,665.89
Step by Step Solution
- Step 1: Write the proportion equation
121,694,412.48 : 167,939,611.20 = 66,689,088 : x - Step 2: Convert to fraction form
121,694,412.48/167,939,611.20 = 66,689,088/x - Step 3: Cross multiply
121,694,412.48x = 167,939,611.20 × 66,689,088 - Step 4: Simplify right side
121,694,412.48x = 11,199,739,510,002,584 - Step 5: Solve for x
x = 11,199,739,510,002,584/121,694,412.48 - Step 6: Final answer
x = 92,031,665.89
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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.