Finding the Fourth Proportional to 116,753,129.44, 161,120,047.28 and 63,829,951.12
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Solution
The fourth proportional to 116,753,129.44, 161,120,047.28 and 63,829,951.12 is: 88,085,730.91
Step by Step Solution
- Step 1: Write the proportion equation
116,753,129.44 : 161,120,047.28 = 63,829,951.12 : x - Step 2: Convert to fraction form
116,753,129.44/161,120,047.28 = 63,829,951.12/x - Step 3: Cross multiply
116,753,129.44x = 161,120,047.28 × 63,829,951.12 - Step 4: Simplify right side
116,753,129.44x = 10,284,284,742,334,488 - Step 5: Solve for x
x = 10,284,284,742,334,488/116,753,129.44 - Step 6: Final answer
x = 88,085,730.91
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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.