Finding the Fourth Proportional to 80,752,024.60, 121,153,446.40 and 28,901,277.62
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Solution
The fourth proportional to 80,752,024.60, 121,153,446.40 and 28,901,277.62 is: 43,361,010.53
Step by Step Solution
- Step 1: Write the proportion equation
80,752,024.60 : 121,153,446.40 = 28,901,277.62 : x - Step 2: Convert to fraction form
80,752,024.60/121,153,446.40 = 28,901,277.62/x - Step 3: Cross multiply
80,752,024.60x = 121,153,446.40 × 28,901,277.62 - Step 4: Simplify right side
80,752,024.60x = 3,501,489,389,026,190 - Step 5: Solve for x
x = 3,501,489,389,026,190/80,752,024.60 - Step 6: Final answer
x = 43,361,010.53
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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.