Finding the Fourth Proportional to 155,682,747.06, 214,846,674.86 and 86,072,611.98
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Solution
The fourth proportional to 155,682,747.06, 214,846,674.86 and 86,072,611.98 is: 118,782,683.56
Step by Step Solution
- Step 1: Write the proportion equation
155,682,747.06 : 214,846,674.86 = 86,072,611.98 : x - Step 2: Convert to fraction form
155,682,747.06/214,846,674.86 = 86,072,611.98/x - Step 3: Cross multiply
155,682,747.06x = 214,846,674.86 × 86,072,611.98 - Step 4: Simplify right side
155,682,747.06x = 18,492,414,480,418,004 - Step 5: Solve for x
x = 18,492,414,480,418,004/155,682,747.06 - Step 6: Final answer
x = 118,782,683.56
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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.