Finding the Fourth Proportional to 73,491,702.48, 101,414,690.28 and 40,445,635.68
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Solution
The fourth proportional to 73,491,702.48, 101,414,690.28 and 40,445,635.68 is: 55,812,853.39
Step by Step Solution
- Step 1: Write the proportion equation
73,491,702.48 : 101,414,690.28 = 40,445,635.68 : x - Step 2: Convert to fraction form
73,491,702.48/101,414,690.28 = 40,445,635.68/x - Step 3: Cross multiply
73,491,702.48x = 101,414,690.28 × 40,445,635.68 - Step 4: Simplify right side
73,491,702.48x = 4,101,781,615,664,917 - Step 5: Solve for x
x = 4,101,781,615,664,917/73,491,702.48 - Step 6: Final answer
x = 55,812,853.39
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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.