Finding the Fourth Proportional to 183,963,653.44, 253,805,733.04 and 117,920,565.88
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Solution
The fourth proportional to 183,963,653.44, 253,805,733.04 and 117,920,565.88 is: 162,689,287.28
Step by Step Solution
- Step 1: Write the proportion equation
183,963,653.44 : 253,805,733.04 = 117,920,565.88 : x - Step 2: Convert to fraction form
183,963,653.44/253,805,733.04 = 117,920,565.88/x - Step 3: Cross multiply
183,963,653.44x = 253,805,733.04 × 117,920,565.88 - Step 4: Simplify right side
183,963,653.44x = 29,928,915,663,665,012 - Step 5: Solve for x
x = 29,928,915,663,665,012/183,963,653.44 - Step 6: Final answer
x = 162,689,287.28
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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.