Finding the Fourth Proportional to 136,395,697.46, 204,722,893.07 and 84,423,087.58
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Solution
The fourth proportional to 136,395,697.46, 204,722,893.07 and 84,423,087.58 is: 126,714,691.54
Step by Step Solution
- Step 1: Write the proportion equation
136,395,697.46 : 204,722,893.07 = 84,423,087.58 : x - Step 2: Convert to fraction form
136,395,697.46/204,722,893.07 = 84,423,087.58/x - Step 3: Cross multiply
136,395,697.46x = 204,722,893.07 × 84,423,087.58 - Step 4: Simplify right side
136,395,697.46x = 17,283,338,731,279,584 - Step 5: Solve for x
x = 17,283,338,731,279,584/136,395,697.46 - Step 6: Final answer
x = 126,714,691.54
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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.