Finding the Fourth Proportional to 201,643,411.30, 302,465,116.95 and 99,456,403.30
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Solution
The fourth proportional to 201,643,411.30, 302,465,116.95 and 99,456,403.30 is: 149,184,604.95
Step by Step Solution
- Step 1: Write the proportion equation
201,643,411.30 : 302,465,116.95 = 99,456,403.30 : x - Step 2: Convert to fraction form
201,643,411.30/302,465,116.95 = 99,456,403.30/x - Step 3: Cross multiply
201,643,411.30x = 302,465,116.95 × 99,456,403.30 - Step 4: Simplify right side
201,643,411.30x = 30,082,092,655,560,864 - Step 5: Solve for x
x = 30,082,092,655,560,864/201,643,411.30 - Step 6: Final answer
x = 149,184,604.95
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Similar ratio
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1.5x scale
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.