Finding the Fourth Proportional to 85,994,462.80, 128,991,694.20 and 24,583,502.80
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Solution
The fourth proportional to 85,994,462.80, 128,991,694.20 and 24,583,502.80 is: 36,875,254.20
Step by Step Solution
- Step 1: Write the proportion equation
85,994,462.80 : 128,991,694.20 = 24,583,502.80 : x - Step 2: Convert to fraction form
85,994,462.80/128,991,694.20 = 24,583,502.80/x - Step 3: Cross multiply
85,994,462.80x = 128,991,694.20 × 24,583,502.80 - Step 4: Simplify right side
85,994,462.80x = 3,171,067,675,542,444 - Step 5: Solve for x
x = 3,171,067,675,542,444/85,994,462.80 - Step 6: Final answer
x = 36,875,254.20
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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.