Finding the Fourth Proportional to 264,912,311.51, 397,338,197.82 and 70,838,860.99
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Solution
The fourth proportional to 264,912,311.51, 397,338,197.82 and 70,838,860.99 is: 106,250,197.28
Step by Step Solution
- Step 1: Write the proportion equation
264,912,311.51 : 397,338,197.82 = 70,838,860.99 : x - Step 2: Convert to fraction form
264,912,311.51/397,338,197.82 = 70,838,860.99/x - Step 3: Cross multiply
264,912,311.51x = 397,338,197.82 × 70,838,860.99 - Step 4: Simplify right side
264,912,311.51x = 28,146,985,359,047,216 - Step 5: Solve for x
x = 28,146,985,359,047,216/264,912,311.51 - Step 6: Final answer
x = 106,250,197.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.