Finding the Fourth Proportional to 148,940,341.06, 205,539,562.12 and 81,967,010.18
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Solution
The fourth proportional to 148,940,341.06, 205,539,562.12 and 81,967,010.18 is: 113,115,514.98
Step by Step Solution
- Step 1: Write the proportion equation
148,940,341.06 : 205,539,562.12 = 81,967,010.18 : x - Step 2: Convert to fraction form
148,940,341.06/205,539,562.12 = 81,967,010.18/x - Step 3: Cross multiply
148,940,341.06x = 205,539,562.12 × 81,967,010.18 - Step 4: Simplify right side
148,940,341.06x = 16,847,463,380,682,784 - Step 5: Solve for x
x = 16,847,463,380,682,784/148,940,341.06 - Step 6: Final answer
x = 113,115,514.98
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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.