Finding the Fourth Proportional to 96,517,587.21, 131,412,379.08 and 96,211,131.55
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Solution
The fourth proportional to 96,517,587.21, 131,412,379.08 and 96,211,131.55 is: 130,995,128.00
Step by Step Solution
- Step 1: Write the proportion equation
96,517,587.21 : 131,412,379.08 = 96,211,131.55 : x - Step 2: Convert to fraction form
96,517,587.21/131,412,379.08 = 96,211,131.55/x - Step 3: Cross multiply
96,517,587.21x = 131,412,379.08 × 96,211,131.55 - Step 4: Simplify right side
96,517,587.21x = 12,643,333,690,483,292 - Step 5: Solve for x
x = 12,643,333,690,483,292/96,517,587.21 - Step 6: Final answer
x = 130,995,128.00
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.