Finding the Fourth Proportional to 221,223,805.92, 331,851,651.84 and 84,909,189.36
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Solution
The fourth proportional to 221,223,805.92, 331,851,651.84 and 84,909,189.36 is: 127,369,903.20
Step by Step Solution
- Step 1: Write the proportion equation
221,223,805.92 : 331,851,651.84 = 84,909,189.36 : x - Step 2: Convert to fraction form
221,223,805.92/331,851,651.84 = 84,909,189.36/x - Step 3: Cross multiply
221,223,805.92x = 331,851,651.84 × 84,909,189.36 - Step 4: Simplify right side
221,223,805.92x = 28,177,254,745,511,348 - Step 5: Solve for x
x = 28,177,254,745,511,348/221,223,805.92 - Step 6: Final answer
x = 127,369,903.20
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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.