Finding the Fourth Proportional to 263,835,381.63, 395,813,871.96 and 91,312,197.18
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Solution
The fourth proportional to 263,835,381.63, 395,813,871.96 and 91,312,197.18 is: 136,989,338.19
Step by Step Solution
- Step 1: Write the proportion equation
263,835,381.63 : 395,813,871.96 = 91,312,197.18 : x - Step 2: Convert to fraction form
263,835,381.63/395,813,871.96 = 91,312,197.18/x - Step 3: Cross multiply
263,835,381.63x = 395,813,871.96 × 91,312,197.18 - Step 4: Simplify right side
263,835,381.63x = 36,142,634,321,679,064 - Step 5: Solve for x
x = 36,142,634,321,679,064/263,835,381.63 - Step 6: Final answer
x = 136,989,338.19
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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.