Finding the Fourth Proportional to 174,738,019.20, 262,107,028.80 and 47,087,203.20
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Solution
The fourth proportional to 174,738,019.20, 262,107,028.80 and 47,087,203.20 is: 70,630,804.80
Step by Step Solution
- Step 1: Write the proportion equation
174,738,019.20 : 262,107,028.80 = 47,087,203.20 : x - Step 2: Convert to fraction form
174,738,019.20/262,107,028.80 = 47,087,203.20/x - Step 3: Cross multiply
174,738,019.20x = 262,107,028.80 × 47,087,203.20 - Step 4: Simplify right side
174,738,019.20x = 12,341,886,925,253,854 - Step 5: Solve for x
x = 12,341,886,925,253,854/174,738,019.20 - Step 6: Final answer
x = 70,630,804.80
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1.5x scale
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.