Finding the Fourth Proportional to 65,023,183.95, 89,645,188.40 and 51,656,201.08
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Solution
The fourth proportional to 65,023,183.95, 89,645,188.40 and 51,656,201.08 is: 71,216,596.85
Step by Step Solution
- Step 1: Write the proportion equation
65,023,183.95 : 89,645,188.40 = 51,656,201.08 : x - Step 2: Convert to fraction form
65,023,183.95/89,645,188.40 = 51,656,201.08/x - Step 3: Cross multiply
65,023,183.95x = 89,645,188.40 × 51,656,201.08 - Step 4: Simplify right side
65,023,183.95x = 4,630,729,877,138,377 - Step 5: Solve for x
x = 4,630,729,877,138,377/65,023,183.95 - Step 6: Final answer
x = 71,216,596.85
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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.