Finding the Fourth Proportional to 115,575,083.58, 159,493,828.50 and 62,651,627.58
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Solution
The fourth proportional to 115,575,083.58, 159,493,828.50 and 62,651,627.58 is: 86,459,361.61
Step by Step Solution
- Step 1: Write the proportion equation
115,575,083.58 : 159,493,828.50 = 62,651,627.58 : x - Step 2: Convert to fraction form
115,575,083.58/159,493,828.50 = 62,651,627.58/x - Step 3: Cross multiply
115,575,083.58x = 159,493,828.50 × 62,651,627.58 - Step 4: Simplify right side
115,575,083.58x = 9,992,547,944,490,390 - Step 5: Solve for x
x = 9,992,547,944,490,390/115,575,083.58 - Step 6: Final answer
x = 86,459,361.61
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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.