Finding the Fourth Proportional to 79,219,037.66, 118,744,689.57 and 26,646,661.97
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Solution
The fourth proportional to 79,219,037.66, 118,744,689.57 and 26,646,661.97 is: 39,941,782.89
Step by Step Solution
- Step 1: Write the proportion equation
79,219,037.66 : 118,744,689.57 = 26,646,661.97 : x - Step 2: Convert to fraction form
79,219,037.66/118,744,689.57 = 26,646,661.97/x - Step 3: Cross multiply
79,219,037.66x = 118,744,689.57 × 26,646,661.97 - Step 4: Simplify right side
79,219,037.66x = 3,164,149,603,274,279.50 - Step 5: Solve for x
x = 3,164,149,603,274,279.50/79,219,037.66 - Step 6: Final answer
x = 39,941,782.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.