Finding the Fourth Proportional to 39,168,021.80, 58,752,032.70 and 39,168,021.80
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Solution
The fourth proportional to 39,168,021.80, 58,752,032.70 and 39,168,021.80 is: 58,752,032.70
Step by Step Solution
- Step 1: Write the proportion equation
39,168,021.80 : 58,752,032.70 = 39,168,021.80 : x - Step 2: Convert to fraction form
39,168,021.80/58,752,032.70 = 39,168,021.80/x - Step 3: Cross multiply
39,168,021.80x = 58,752,032.70 × 39,168,021.80 - Step 4: Simplify right side
39,168,021.80x = 2,301,200,897,587,913 - Step 5: Solve for x
x = 2,301,200,897,587,913/39,168,021.80 - Step 6: Final answer
x = 58,752,032.70
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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.