Finding the Fourth Proportional to 207,331,064.70, 310,997,759.49 and 69,156,292.38
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Solution
The fourth proportional to 207,331,064.70, 310,997,759.49 and 69,156,292.38 is: 103,734,826.31
Step by Step Solution
- Step 1: Write the proportion equation
207,331,064.70 : 310,997,759.49 = 69,156,292.38 : x - Step 2: Convert to fraction form
207,331,064.70/310,997,759.49 = 69,156,292.38/x - Step 3: Cross multiply
207,331,064.70x = 310,997,759.49 × 69,156,292.38 - Step 4: Simplify right side
207,331,064.70x = 21,507,451,984,815,360 - Step 5: Solve for x
x = 21,507,451,984,815,360/207,331,064.70 - Step 6: Final answer
x = 103,734,826.31
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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.