Finding the Fourth Proportional to 108,889,408.95, 163,334,113.43 and 84,230,546.55
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Solution
The fourth proportional to 108,889,408.95, 163,334,113.43 and 84,230,546.55 is: 126,345,819.83
Step by Step Solution
- Step 1: Write the proportion equation
108,889,408.95 : 163,334,113.43 = 84,230,546.55 : x - Step 2: Convert to fraction form
108,889,408.95/163,334,113.43 = 84,230,546.55/x - Step 3: Cross multiply
108,889,408.95x = 163,334,113.43 × 84,230,546.55 - Step 4: Simplify right side
108,889,408.95x = 13,757,721,644,047,442 - Step 5: Solve for x
x = 13,757,721,644,047,442/108,889,408.95 - Step 6: Final answer
x = 126,345,819.83
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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.