Finding the Fourth Proportional to 70,944,556.09, 97,906,335.04 and 39,585,344.20
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Solution
The fourth proportional to 70,944,556.09, 97,906,335.04 and 39,585,344.20 is: 54,629,363.91
Step by Step Solution
- Step 1: Write the proportion equation
70,944,556.09 : 97,906,335.04 = 39,585,344.20 : x - Step 2: Convert to fraction form
70,944,556.09/97,906,335.04 = 39,585,344.20/x - Step 3: Cross multiply
70,944,556.09x = 97,906,335.04 × 39,585,344.20 - Step 4: Simplify right side
70,944,556.09x = 3,875,655,971,918,921.50 - Step 5: Solve for x
x = 3,875,655,971,918,921.50/70,944,556.09 - Step 6: Final answer
x = 54,629,363.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.