Finding the Fourth Proportional to 108,777,372.09, 163,118,177.41 and 57,647,411.61
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Solution
The fourth proportional to 108,777,372.09, 163,118,177.41 and 57,647,411.61 is: 86,445,742.65
Step by Step Solution
- Step 1: Write the proportion equation
108,777,372.09 : 163,118,177.41 = 57,647,411.61 : x - Step 2: Convert to fraction form
108,777,372.09/163,118,177.41 = 57,647,411.61/x - Step 3: Cross multiply
108,777,372.09x = 163,118,177.41 × 57,647,411.61 - Step 4: Simplify right side
108,777,372.09x = 9,403,340,714,227,274 - Step 5: Solve for x
x = 9,403,340,714,227,274/108,777,372.09 - Step 6: Final answer
x = 86,445,742.65
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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.