Finding the Fourth Proportional to 104,539,930.97, 144,283,162.05 and 60,511,205.96
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Solution
The fourth proportional to 104,539,930.97, 144,283,162.05 and 60,511,205.96 is: 83,515,916.40
Step by Step Solution
- Step 1: Write the proportion equation
104,539,930.97 : 144,283,162.05 = 60,511,205.96 : x - Step 2: Convert to fraction form
104,539,930.97/144,283,162.05 = 60,511,205.96/x - Step 3: Cross multiply
104,539,930.97x = 144,283,162.05 × 60,511,205.96 - Step 4: Simplify right side
104,539,930.97x = 8,730,748,134,646,190 - Step 5: Solve for x
x = 8,730,748,134,646,190/104,539,930.97 - Step 6: Final answer
x = 83,515,916.40
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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.