Finding the Fourth Proportional to 86,365,778.96, 129,571,380.44 and 31,039,202
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Solution
The fourth proportional to 86,365,778.96, 129,571,380.44 and 31,039,202 is: 46,566,965.52
Step by Step Solution
- Step 1: Write the proportion equation
86,365,778.96 : 129,571,380.44 = 31,039,202 : x - Step 2: Convert to fraction form
86,365,778.96/129,571,380.44 = 31,039,202/x - Step 3: Cross multiply
86,365,778.96x = 129,571,380.44 × 31,039,202 - Step 4: Simplify right side
86,365,778.96x = 4,021,792,250,896,009 - Step 5: Solve for x
x = 4,021,792,250,896,009/86,365,778.96 - Step 6: Final answer
x = 46,566,965.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.