Finding the Fourth Proportional to 99,643,407.30, 149,465,110.95 and 83,771,036.10
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Solution
The fourth proportional to 99,643,407.30, 149,465,110.95 and 83,771,036.10 is: 125,656,554.15
Step by Step Solution
- Step 1: Write the proportion equation
99,643,407.30 : 149,465,110.95 = 83,771,036.10 : x - Step 2: Convert to fraction form
99,643,407.30/149,465,110.95 = 83,771,036.10/x - Step 3: Cross multiply
99,643,407.30x = 149,465,110.95 × 83,771,036.10 - Step 4: Simplify right side
99,643,407.30x = 12,520,847,205,082,954 - Step 5: Solve for x
x = 12,520,847,205,082,954/99,643,407.30 - Step 6: Final answer
x = 125,656,554.15
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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.