Finding the Fourth Proportional to 206,712,029.80, 310,068,044.70 and 168,448,277.80
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Solution
The fourth proportional to 206,712,029.80, 310,068,044.70 and 168,448,277.80 is: 252,672,416.70
Step by Step Solution
- Step 1: Write the proportion equation
206,712,029.80 : 310,068,044.70 = 168,448,277.80 : x - Step 2: Convert to fraction form
206,712,029.80/310,068,044.70 = 168,448,277.80/x - Step 3: Cross multiply
206,712,029.80x = 310,068,044.70 × 168,448,277.80 - Step 4: Simplify right side
206,712,029.80x = 52,230,428,130,528,416 - Step 5: Solve for x
x = 52,230,428,130,528,416/206,712,029.80 - Step 6: Final answer
x = 252,672,416.70
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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.