Finding the Fourth Proportional to 201,643,505.80, 302,465,258.70 and 99,456,497.80
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Solution
The fourth proportional to 201,643,505.80, 302,465,258.70 and 99,456,497.80 is: 149,184,746.70
Step by Step Solution
- Step 1: Write the proportion equation
201,643,505.80 : 302,465,258.70 = 99,456,497.80 : x - Step 2: Convert to fraction form
201,643,505.80/302,465,258.70 = 99,456,497.80/x - Step 3: Cross multiply
201,643,505.80x = 302,465,258.70 × 99,456,497.80 - Step 4: Simplify right side
201,643,505.80x = 30,082,135,336,472,980 - Step 5: Solve for x
x = 30,082,135,336,472,980/201,643,505.80 - Step 6: Final answer
x = 149,184,746.70
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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.