Finding the Fourth Proportional to 49,247,785.68, 67,960,757.88 and 26,919,779.28
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Solution
The fourth proportional to 49,247,785.68, 67,960,757.88 and 26,919,779.28 is: 37,148,646.92
Step by Step Solution
- Step 1: Write the proportion equation
49,247,785.68 : 67,960,757.88 = 26,919,779.28 : x - Step 2: Convert to fraction form
49,247,785.68/67,960,757.88 = 26,919,779.28/x - Step 3: Cross multiply
49,247,785.68x = 67,960,757.88 × 26,919,779.28 - Step 4: Simplify right side
49,247,785.68x = 1,829,488,601,831,120.75 - Step 5: Solve for x
x = 1,829,488,601,831,120.75/49,247,785.68 - Step 6: Final answer
x = 37,148,646.92
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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.