Finding the Fourth Proportional to 86,202,331.30, 120,985,594.70 and 86,202,331.30
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Solution
The fourth proportional to 86,202,331.30, 120,985,594.70 and 86,202,331.30 is: 120,985,594.70
Step by Step Solution
- Step 1: Write the proportion equation
86,202,331.30 : 120,985,594.70 = 86,202,331.30 : x - Step 2: Convert to fraction form
86,202,331.30/120,985,594.70 = 86,202,331.30/x - Step 3: Cross multiply
86,202,331.30x = 120,985,594.70 × 86,202,331.30 - Step 4: Simplify right side
86,202,331.30x = 10,429,240,316,856,924 - Step 5: Solve for x
x = 10,429,240,316,856,924/86,202,331.30 - Step 6: Final answer
x = 120,985,594.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.