Finding the Fourth Proportional to 54,434,221.58, 81,622,980.75 and 25,672,634.66
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Solution
The fourth proportional to 54,434,221.58, 81,622,980.75 and 25,672,634.66 is: 38,495,580.61
Step by Step Solution
- Step 1: Write the proportion equation
54,434,221.58 : 81,622,980.75 = 25,672,634.66 : x - Step 2: Convert to fraction form
54,434,221.58/81,622,980.75 = 25,672,634.66/x - Step 3: Cross multiply
54,434,221.58x = 81,622,980.75 × 25,672,634.66 - Step 4: Simplify right side
54,434,221.58x = 2,095,476,964,654,962.75 - Step 5: Solve for x
x = 2,095,476,964,654,962.75/54,434,221.58 - Step 6: Final answer
x = 38,495,580.61
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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.