Finding the Fourth Proportional to 85,258,918.08, 127,930,367.52 and 39,814,107.84
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Solution
The fourth proportional to 85,258,918.08, 127,930,367.52 and 39,814,107.84 is: 59,740,770.39
Step by Step Solution
- Step 1: Write the proportion equation
85,258,918.08 : 127,930,367.52 = 39,814,107.84 : x - Step 2: Convert to fraction form
85,258,918.08/127,930,367.52 = 39,814,107.84/x - Step 3: Cross multiply
85,258,918.08x = 127,930,367.52 × 39,814,107.84 - Step 4: Simplify right side
85,258,918.08x = 5,093,433,448,452,114 - Step 5: Solve for x
x = 5,093,433,448,452,114/85,258,918.08 - Step 6: Final answer
x = 59,740,770.39
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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.