Finding the Fourth Proportional to 216,777,492.09, 299,153,267.82 and 117,658,275.66
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Solution
The fourth proportional to 216,777,492.09, 299,153,267.82 and 117,658,275.66 is: 162,368,598.84
Step by Step Solution
- Step 1: Write the proportion equation
216,777,492.09 : 299,153,267.82 = 117,658,275.66 : x - Step 2: Convert to fraction form
216,777,492.09/299,153,267.82 = 117,658,275.66/x - Step 3: Cross multiply
216,777,492.09x = 299,153,267.82 × 117,658,275.66 - Step 4: Simplify right side
216,777,492.09x = 35,197,857,649,755,364 - Step 5: Solve for x
x = 35,197,857,649,755,364/216,777,492.09 - Step 6: Final answer
x = 162,368,598.84
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1.5x scale
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.