Finding the Fourth Proportional to 216,876,966.75, 299,292,364.67 and 117,758,526.44
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Solution
The fourth proportional to 216,876,966.75, 299,292,364.67 and 117,758,526.44 is: 162,507,934.17
Step by Step Solution
- Step 1: Write the proportion equation
216,876,966.75 : 299,292,364.67 = 117,758,526.44 : x - Step 2: Convert to fraction form
216,876,966.75/299,292,364.67 = 117,758,526.44/x - Step 3: Cross multiply
216,876,966.75x = 299,292,364.67 × 117,758,526.44 - Step 4: Simplify right side
216,876,966.75x = 35,244,227,836,197,064 - Step 5: Solve for x
x = 35,244,227,836,197,064/216,876,966.75 - Step 6: Final answer
x = 162,507,934.17
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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.