Finding the Fourth Proportional to 313,513,556.24, 432,651,862.14 and 172,392,219.92
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Solution
The fourth proportional to 313,513,556.24, 432,651,862.14 and 172,392,219.92 is: 237,902,998.08
Step by Step Solution
- Step 1: Write the proportion equation
313,513,556.24 : 432,651,862.14 = 172,392,219.92 : x - Step 2: Convert to fraction form
313,513,556.24/432,651,862.14 = 172,392,219.92/x - Step 3: Cross multiply
313,513,556.24x = 432,651,862.14 × 172,392,219.92 - Step 4: Simplify right side
313,513,556.24x = 74,585,814,966,836,400 - Step 5: Solve for x
x = 74,585,814,966,836,400/313,513,556.24 - Step 6: Final answer
x = 237,902,998.08
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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.