Finding the Fourth Proportional to 208,062,668.27, 287,126,476.98 and 115,249,154.84
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Solution
The fourth proportional to 208,062,668.27, 287,126,476.98 and 115,249,154.84 is: 159,043,830.78
Step by Step Solution
- Step 1: Write the proportion equation
208,062,668.27 : 287,126,476.98 = 115,249,154.84 : x - Step 2: Convert to fraction form
208,062,668.27/287,126,476.98 = 115,249,154.84/x - Step 3: Cross multiply
208,062,668.27x = 287,126,476.98 × 115,249,154.84 - Step 4: Simplify right side
208,062,668.27x = 33,091,083,804,131,720 - Step 5: Solve for x
x = 33,091,083,804,131,720/208,062,668.27 - Step 6: Final answer
x = 159,043,830.78
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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.