Finding the Fourth Proportional to 268,673,177.80, 403,009,766.70 and 214,925,465.80
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Solution
The fourth proportional to 268,673,177.80, 403,009,766.70 and 214,925,465.80 is: 322,388,198.70
Step by Step Solution
- Step 1: Write the proportion equation
268,673,177.80 : 403,009,766.70 = 214,925,465.80 : x - Step 2: Convert to fraction form
268,673,177.80/403,009,766.70 = 214,925,465.80/x - Step 3: Cross multiply
268,673,177.80x = 403,009,766.70 × 214,925,465.80 - Step 4: Simplify right side
268,673,177.80x = 86,617,061,829,946,832 - Step 5: Solve for x
x = 86,617,061,829,946,832/268,673,177.80 - Step 6: Final answer
x = 322,388,198.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.