Finding the Fourth Proportional to 48,717,772.36, 67,239,188.34 and 29,140,814.52
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Solution
The fourth proportional to 48,717,772.36, 67,239,188.34 and 29,140,814.52 is: 40,219,505.55
Step by Step Solution
- Step 1: Write the proportion equation
48,717,772.36 : 67,239,188.34 = 29,140,814.52 : x - Step 2: Convert to fraction form
48,717,772.36/67,239,188.34 = 29,140,814.52/x - Step 3: Cross multiply
48,717,772.36x = 67,239,188.34 × 29,140,814.52 - Step 4: Simplify right side
48,717,772.36x = 1,959,404,715,891,286.75 - Step 5: Solve for x
x = 1,959,404,715,891,286.75/48,717,772.36 - Step 6: Final answer
x = 40,219,505.55
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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.